List of units of measurement named after scientists
This compilation lists units of measurement and key figures named after scientists. SI units and units approved for use with the SI are highlighted in color.
For the units named after Max Planck , see Planck units .
list
| Unit of measurement | Abbreviation | Use for | Surname | Country / science | time |
|---|---|---|---|---|---|
| Abbe number | v | Size for characterizing the optical dispersive properties of optical glasses | Ernst Abbe | German physicist | 1840-1905 |
| Albert | Alb | Unit of photosynthetically active radiation | Albert Einstein | German physicist | 1879-1955 |
| Amagat | amg | Unit of the particle density of gases | Émile Amagat | French physicist | 1841-1915 |
| amp | A. | Unit of measure of electrical current | André-Marie Ampère | French mathematician, physicist | 1775-1836 |
| Ångström | Å | Length measure for wavelengths | Jonas Ångström is different | Swedish physicist | 1814-1874 |
| Archimedes number | Ar | Indicator of the ratio of buoyancy force to frictional force | Archimedes of Syracuse | Greek mathematician, physicist, engineer | 287 BC Chr – 212 BC Chr |
| Degree balling | ° Bg, ° Bal, ° Blg | Unit for determining the sugar content | Karl Josef Napoleon Balling | Austrian-Bohemian chemist | 1805-1868 |
| Barque | Barque | psychoacoustic scale for the perceived pitch (tonality) | Heinrich Barkhausen | German physicist | 1881-1956 |
| Barrer | Gas permeability of substances | Richard Barrer | New Zealand chemist | 1910-1996 | |
| Degree Bates | ° Bates | Unit of relative density | Frederick John Bates | American chemist | ? |
| baud | Vol | Communication engineering unit (telegraph speed) | Jean-Maurice-Émile Baudot | French telegraph officer (five-letter alphabet) | 1845-1903 |
| Beaufort scale | Scale for the classification of wind according to its speed | Francis Beaufort | Irish-English hydrograph | 1774-1857 | |
| Degree Baumé | ° Bé | Hydrometer scale | Antoine Baumé | French chemist, pharmacist | 1728-1804 |
| Degree Beck | ° Beck | Unit of the relative density of liquids | Philipp Friedrich Beck | German pharmacist | 1768-1821 |
| Becquerel | Bq | Activity of a radioactive substance (decay / s) | Henri Becquerel | French physicist | 1852-1908 |
| Bel | B. | Measure of damping | Alexander Graham Bell | American inventor | 1847-1922 |
| Berk | berk | Unit of geopotential | Vilhelm Bjerknes | Norwegian geophysicist | 1862-1951 |
| Biot | Bi | Unit of current strength | Jean-Baptiste Biot | French physicist | 1747-1862 |
| Degree Bischoff | ° Bischoff | Unit for determining the density of milk | ?? | ?? | ?? |
| Blondel | blondel | Unit of measurement of the luminance of self-luminous bodies | André-Eugène Blondel | French physicist | 1863-1938 |
| Bodenstein number | Bo | dimensionless number from reaction engineering | Max Bodenstein | German physical chemist | 1871-1942 |
| Brewster | B. | Stress optical sensitivity | David Brewster | Scottish physicist | 1781-1868 |
| Brinell hardness | HB, H B | Hardness measure for materials | Johan August Brinell | Swedish engineer | 1849-1925 |
| Brinkmann number | Be | Ratio of heat generated by friction to the fluid's ability to dissipate this heat | Henri Brinkman | Dutch physicist | 1908-1961 |
| Degree Brix | ° Brix, ° Bx, Brix,% Brix | Unit of measure for the relative density of liquids | Adolf Brix | Austrian-German scientist | 1798-1870 |
| Bubnoff unit | B. | Unit of measure for the speed of geological processes | Serge von Bubnoff | German-Russian geotectonist | 1888-1957 |
| Buckingham | B. | CGS unit of the electric quadrupole | Amyand David Buckingham | Australian chemist | 1930 |
| Bunsen absorption coefficient | , | Volume fraction of a gas that is absorbed by another substance at a partial pressure that corresponds to the standard pressure in the physical standard state | Robert Wilhelm Eberhard Bunsen | German chemist | 1811-1899 |
| centigrade | ° C | Temperature scale | Different Celsius | Swedish naturalist | 1701-1744 |
| Carcel | Unit of light intensity | Bertrand Guillaume Carcel | French watchmaker | 1750-1812 | |
| Cartier degree | Unit of the relative density of liquids | Jean-François Cartier | French inventor | ? | |
| Centimorgan | cm | Unit of genetics, for the frequency / probability of recombination | Thomas Hunt Morgan | American zoologist, geneticist | 1866-1945 |
| Chad | Unit of the neutron flux | James Chadwick | English physicist, explorer | 1891-1974 | |
| Charrière | Ch, Char | Measure for the outer circumference of cannulas and catheters | Joseph-Frédéric-Benoît Charrière | French instrument and apparatus manufacturer | 1803-1876 |
| Clausius | Cl | Unit of entropy | Rudolf Clausius | German physicist, explorer | 1822-1888 |
| Colburn number | J | Heat transfer of viscous fluids with free and forced convection | Allan Philip Colburn | American chemical engineer | 1904-1955 |
| Coulomb | C. | Unit of measure of electrical charge | Charles Augustin de Coulomb | French physicist | 1736-1806 |
| curie | Ci | Unit of measure for the activity of radioactive emitters |
Pierre Curie , Marie Curie |
French physicist, Polish-French physicist |
1859-1906 1867-1934 |
| Dalton | There | atomic mass unit | John Dalton | English chemist, physicist | 1766-1844 |
| Damköhler number | There | dimensionless number of chemical reaction engineering | Gerhard Damköhler | German chemist | 1908-1944 |
| Daniell | Unit of measurement of electrical voltage | John Frederic Daniell | British chemist | 1790-1845 | |
| Darcy | D. | Unit for permeability | Henry Darcy | French engineer | 1803-1856 |
| Darwin | Unity in evolutionary research | Charles Darwin | British naturalist | 1809-1882 | |
| Dean number | De | Key figure from fluid mechanics to describe the flow | William Reginald Dean | ? | 1896-1973 |
| Debye | D. | electrostatic unit of the electrical dipole moment | Peter Debye | Dutch physicist, chemist, Nobel Prize winner | 1884-1966 |
| Degree Delisle | ° De, ° D | Temperature scale | Joseph-Nicolas Delisle | French astronomer, cartographer | 1688-1768 |
| Didot point | Pt, p | Point system of writing | François Ambroise Didot | French type founder | 1730-1804 |
| Dobsonian unit | YOU | Measure of the strength of the ozone layer | Gordon Miller Bourne Dobson | British physicist, meteorologist | 1889-1976 |
| Degree Dornic | ° D | Unit for determining the acidity of milk | Pierre Dornic | French agricultural engineer | ? |
| Eckert number | Ec | Determination of heat at interfaces | Ernst Eckert | Austrian-American engineer, natural scientist, fluid mechanic | 1904-2004 |
| Einstein | E. | Energy unit of the photochemical reaction kinetics | Albert Einstein | German physicist | 1879-1955 |
| Engler degree | E, ° E | Unit of viscosity | Carl Engler | German chemist | 1842-1925 |
| Ekman number | Ek | Unity of geophysics in oceanographic and atmospheric phenomena | Vagn Walfrid Ekman | Swedish physicist, oceanographer | 1874-1954 |
| Eötvös | E. | Unit of measure for the change in gravity | Loránd Eötvös | Hungarian physicist | 1848-1919 |
| Erlang | Erl, Erl | Unit for the market value in a communication network | Agner Krarup Erlang | Danish mathematician, engineer | 1878-1929 |
| Euler number | Eu | Key figure of the similarity theory in fluid mechanics | Leonhard Euler | Swiss mathematician, physicist | 1707-1783 |
| degrees Fahrenheit | ° F | Temperature scale | Gabriel Daniel Fahrenheit | German physicist | 1686-1736 |
| farad | F. | Unit of measure of electrical capacitance | Michael Faraday | English physicist | 1791-1867 |
| Faraday | Faraday | Unit of measure of the amount of charge that one gram equivalent of an ion removes from an electrolyte solution | Michael Faraday | English physicist | 1791-1867 |
| Fermi | f | Measure of length in nuclear physics | Enrico Fermi | Italian nuclear physicist, Nobel Prize winner | 1901-1954 |
| Finsen unit | FE | Unit in medicine for measuring the radiation intensity of UV light | Niels Ryberg Finsen | Faroese-Danish doctor, Nobel Prize | 1860-1904 |
| Degree butcher | Unit for determining the relative density of liquids | Emil Fleischer | German chemist | 1843-1928 | |
| Footlambert | ft.la. or ft.L | Unit of measurement for luminance | Johann Heinrich Lambert | Swiss-Alsatian mathematician, logician, physicist | 1727-1777 |
| Franklin | Fr. | Unit of electrical charge | Benjamin Franklin | American naturalist, inventor | 1706-1790 |
| Fresnel | fresnel | Unit of frequency | Augustin Jean Fresnel | French physicist | 1788-1827 |
| Fresnel number | F. | dimensionless number in optics, especially in diffraction | Augustin Jean Fresnel | French physicist | 1788-1827 |
| Froude number | Fr. | Key figure for the ratio of inertial forces to gravitational forces within a hydrodynamic system | William Froude | English naval engineer, researcher | 1810-1879 |
| Fourier number | Fo | Key figure for describing problems of unsteady heat conduction | Jean Baptiste Joseph Fourier | French mathematician, physicist | 1768-1830 |
| Fournier point | Point as a unit of font size | Pierre Simon Fournier | French typographer | 1712-1768 | |
| Fujita scale | F. | Damage classification for strong winds | Tetsuya Theodore Fujita | Japanese | 1920-1998 |
| Gal | gal | Unit of measure of acceleration | Galileo Galilei | Italian physicist, astronomer | 1564-1642 |
| Galileo number | Ga | Key figure of fluid mechanics and characterizes the ratio of gravitational to internal frictional forces in moving fluids | Galileo Galilei | Italian physicist, astronomer | 1564-1642 |
| Gauss | G | Unit of measure of magnetic induction | Carl Friedrich Gauss | German mathematician, physicist, astronomer | 1777-1855 |
| Degree Gay-Lussac | ° GL | 100-point scale for the alcohol content | Joseph Louis Gay-Lussac | French chemist, physicist | 1778-1850 |
| Graetz number | Gz | Forced convection index | Leo Graetz | German physicist | 1856-1941 |
| Grass yard number | Size | Key figure in fluid mechanics | Franz Grashof | German engineer, university professor | 1826-1893 |
| Gray | Gy | absorbed dose caused by ionizing radiation | Stephen Gray | English naturalist | 1666-1736 |
| Gilbert | Gb | Unit of magnetic tension | William Gilbert | English doctor, physicist | 1540-1603 |
| Goeppert-Mayer | GM | Unit for the two-photon cross-section of a material | Maria Goeppert-Mayer | German-American physicist, Nobel Prize winner | 1906-1972 |
| Gouy | - | Unit for the electrokinetic potential | Louis Georges Gouy | French physicist | 1854-1926 |
| Hagen number | Ed | Forced flow measure | Gotthilf Heinrich Ludwig Hagen | German hydraulic engineer | 1797-1884 |
| Hartley | Hard | Unit of the amount of information | Ralph Hartley | American electrical engineer | 1888-1970 |
| Hartmann | Ha | Key figure of fluids | Julius Hartmann | Danish physicist | 1881-1951 |
| Hausner factor | H | Key figure for characterizing solids (shaped to lumpy bulk goods and heaps) | Henry H. Hausner | Austrian powder metallurgist | 1900-1995 |
| Hefner candle | HK | Unit of light intensity | Friedrich von Hefner-Alteneck | German engineer | 1845-1904 |
| Helmholtz number | H e | Ratio of a characteristic length in acoustics | Hermann von Helmholtz | German physicist, physiologist | 1821-1894 |
| Helmholtz | Helmholtz | Unit for the electric double layer moment | Hermann von Helmholtz | German physicist, physiologist | 1821-1894 |
| Henry | H | Unit of measure of inductance | Joseph Henry | American physicist | 1797-1878 |
| Henry's constant | k H | Measure of the gas absorption capacity of a water phase / solution | William Henry | English medic, chemist | 1774-1836 |
| hertz | Hz | Unit of frequency | Heinrich Hertz | German physicist | 1857-1894 |
| Jacobian oxyhydrogen unit | Unit of measure of electrical current | Moritz Hermann Jacobi | German-Russian physicist, engineer | 1801-1874 | |
| Jansky | Jy | Unit of measurement for spectral flux density | Karl Guthe Jansky | American radio astronomer | 1905-1950 |
| Joules | J | Unit of measure for work or energy, amount of heat | James Prescott Joule | French-English physicist | 1818-1889 |
| Karlovitz number | Ka | Unit for the description of turbulent combustion processes | Béla Karlovitz | Hungarian physicist | ? |
| Kayser | kayser | Unit of the wave number | Heinrich Kayser | German physicist | 1853-1940 |
| Kelvin | K | temperature | Lord Kelvin | English physicist | 1824-1907 |
| Keulegan-Carpenter number | KC | Key figure for describing oscillating flows |
Garbis H. Keulegan , Lloyd H. Carpenter |
1890–1989 ? |
|
| Knoop | HK | Material characteristic for metals | Frederick Knoop | American physicist, engineer | ? |
| Knudsen number | Kn | Indicator for the density of a gas flow | Martin Knudsen | Danish physicist, oceanographer | 1871-1949 |
| Kolbach number | Ratio of soluble nitrogen in relation to the total amount of nitrogen in brewing malt | Paul Kolbach | Luxembourg brewing scientist | 1894-1974 | |
| Kunitz | Kunitz | Unit used in biochemistry to determine the concentration / activity of the ribonuclease enzymes that react with ribonucleic acid | Moses Kunitz | Russian-American biochemist | ? |
| Lambert | la | Unit of luminance | Johann Heinrich Lambert | Swiss-Alsatian mathematician, logician, physicist, philosopher | 1728-1777 |
| Landé factor | g factor | Ratio of the measured magnetic moment of an atom, atomic nucleus, particle | Alfred Landé | German physicist | 1888-1976 |
| Langley | lan, ly | American unit of irradiation | Samuel Pierpont Langley | American astrophysicist | 1834-1906 |
| Langmuir | L. | physical unit of dose in surface chemistry | Irving Langmuir | American chemist, physicist, Nobel Prize winner | 1881-1957 |
| Laval number | M * | Similarity index of gas dynamics | Gustav de Laval | Swedish engineer, inventor | 1845-1913 |
| Lewis number | Le | Ratio of heat conduction to diffusion in the case of heat and mass transfer | Warren Kendall Lewis | American chemical engineer | 1882-1975 |
| Lenz | lenz | Magnetic field strength | Heinrich Friedrich Emil Lenz | German-Baltic physicist | 1804-1865 |
| Degree Lintner | ° L | A brewing unit that measures the ability of malt enzymes to reduce starch to sugar | Karl Lintner | Professor of Fermentation Chemistry | 1855-1926 |
| Do | Speed measure | Seriously do | Austrian physicist | 1838-1916 | |
| Make | ME | Concentration of the radium emanation | Heinrich Mache | Austrian physicist | 1876-1954 |
| Degree MacMichael | ° McM, ° M | Unit of viscosity in the chocolate industry | Ross F. MacMichael | American inventor | ? |
| Landmark Number | Ratio of the marker length to the flame thickness | George Markstein | Chemist | ? | |
| Maxwell | M. | Unit of measurement of magnetic flux | James Clerk Maxwell | English physicist | 1831-1879 |
| Mayer | mayer | Unit of measure of heat capacity | Julius Robert von Mayer | German doctor, physicist | 1814-1878 |
| Mercalli scale | Twelve-part earthquake scale | Giuseppe Mercalli | Italian seismologist, volcanologist | 1850-1914 | |
| Mohs hardness | Hardness scale for minerals and precious stones | Friedrich Mohs | German mineralogist | 1773-1839 | |
| Neper | Np | Attenuation in electrical engineering | John Napier | Scottish mathematician | 1550-1617 |
| Newton | N | Unit of measure of force | Sir Isaac Newton | English mathematician, physicist | 1643-1727 |
| Degrees Newtons | ° N | Temperature scale | Sir Isaac Newton | English mathematician, physicist | 1643-1727 |
| Nusselt number | N u | Heat transfer coefficient | Wilhelm Nusselt | German physicist | 1882-1957 |
| ohm | Ω | Unit of measure of electrical resistance | Georg Simon Ohm | German physicist | 1787-1845 |
| Uncare number | Oh | Influence of toughness in the deformation of drops and bubbles | Wolfgang von Unesorge | German physicist | 1901-1976 |
| Oersted | Oe | Unit of magnetic field strength | Hans Christian Ørsted | Danish physicist | 1777-1851 |
| Degree Oechsle | ° Oe | Must weight as density of grape must | Ferdinand Oechsle | German inventor, mechanic | 1774-1852 |
| Ostwald coefficient | L. | Solubility coefficient | Wilhelm Ostwald | German chemist | 1853-1932 |
| Pascal | Pa | Unit of pressure | Blaise Pascal | French mathematician, physicist | 1623-1662 |
| Péclet number | Pe | Key figure in transport processes for the ratio of advective to diffusive flows | Jean Claude Eugène Péclet | French physicist | 1793-1857 |
| Degree Plato | ° P | Unit of the original wort content | Fritz Plato | German chemist | 1858-1938 |
| Poise | P | Unit of dynamic viscosity " | Jean Léonard Marie Poiseuille | French physicist | 1797-1869 |
| Poiseuille | Pl | Unit of dynamic viscosity " | Jean Léonard Marie Poiseuille | French physicist | 1797-1869 |
| Degree Pollak | ° Pollak | A brewing unit that measures the ability of malt enzymes to reduce starch to sugar | Alfred Pollak | Austrian chemist | ? |
| Poncelet | p | Unit of performance | Jean Victor Poncelet | French engineer, mathematician | 1788-1867 |
| Prandtl number | Pr | Key figure of fluids as the ratio between viscosity and thermal diffusivity | Ludwig Prandtl | German physicist | 1875-1953 |
| Preece | Preece | Unit for the specific resistance | William Henry Preece | Welsh electrical engineer, inventor | 1834-1913 |
| Prout | Prout | Unit for the nuclear binding energy | William Prout | English doctor, chemist | 1785-1850 |
| Degree Quevenne | ° Q | Unit for determining the specific gravity of milk | Theodore Auguste Quevenne | French chemist | ? |
| Rankine degree | ° Ra, ° R | Temperature scale | William John Macquorn Rankine | Scottish physicist, engineer | 1820-1872 |
| Rayl | - | Specific sound impedance | John Rayleigh | English physicist, Nobel Prize | 1842-1919 |
| Rayleigh | R. | Unit for the intensity of the emission rates for night sky light | John Rayleigh | English physicist, Nobel Prize | 1842-1919 |
| Degree Réaumur | ° R | temperature | René-Antoine Ferchault de Réaumur | French physicist | 1683-1757 |
| Reynolds number | R e | Key figure in fluid mechanics | Osborne Reynolds | British physicist | 1842-1912 |
| Reyn | Reyn | Unit of dynamic viscosity | Osborne Reynolds | British physicist | 1842-1912 |
| Richardson number | R i | Key figure of fluid mechanics | Lewis Fry Richardson | British mathematician, meteorologist | 1881-1953 |
| Richter scale | Unit of seismographic measurement of bumps | Charles Francis Richter | American seismologist | 1900-1935 | |
| Rockwell | MR | Unit of measure for the hardness of technical materials | Stanley Rockwell | American engineer, company founder | 1886-1940 |
| Rossby number | Ro | Geophysics indicator | Carl-Gustaf Rossby | Swedish-American meteorologist | 1898-1857 |
| roentgen | R. | Dosage unit for X-rays and gamma rays | Wilhelm Conrad Röntgen | German physicist | 1845-1923 |
| Romer | ° Rø | Temperature scale | Ole Christensen Rømer | Danish astronomer | 1644-1710 |
| Rutherford | approx | Activity of a radioactive substance | Ernest Rutherford | American physicist | 1871-1937 |
| Sabin | Unit of sound absorption | Wallace Clement Sabine | American physicist | 1868-1919 | |
| Savart | s | Unit of measure for musical intervals | Félix Savart | French physicist, doctor | 1791-1841 |
| Degree Scheiner | ° Scheiner | Unit of light sensitivity of photographic material | Julius Scheiner | German astronomer, inventor | 1858-1913 |
| Schmidt number | Sc | Key figure for the ratio of diffusive momentum transport to diffusive mass transport | Ernst Heinrich Wilhelm Schmidt | German thermodynamicist, university professor | 1892-1975 |
| Sailing cone | Sk | Test specimen for determining fire resistance | Hermann Seger | German chemist, ceramicist | 1839-1893 |
| Shannon | Sh | Unit for the information content of a message | Claude Elwood Shannon | American mathematician, electrical engineer | 1916-2001 |
| Sherwood number | S h | Key figure of thermodynamics to describe the mass transfer | Thomas Kilgore Sherwood | American chemical engineer | 1903-1976 |
| Shore hardness | Material characteristic for elastomers and plastics | Albert Shore | American metal lodge | 1876-1936 | |
| Siemens | S. | Unit of measurement for electrical conductance | Werner from Siemens | German engineer | 1816-1892 |
| Siegbahn unit | XE | Wavelength of x-rays and gamma rays | Karl Manne Georg Siegbahn | Swedish physicist, Nobel Prize winner | 1886-1988 |
| Sieberg scale | six-part scale for the strength of submarine earthquakes | August Heinrich Sieberg | German geophysicist | 1875-1945 | |
| Sievert | Sv | Determination of radiation exposure | Rolf Sievert | Swedish medic, physicist | 1896-1966 |
| Degree sikes | ° Sikes | Unit of alcohol content | Bartholomew Sikes | British inventor | ? |
| Soxhlet handle number | SHZ, ° SH | Acidity of milk |
Franz Soxhlet Theodor Ludwig von Henkel |
German agricultural chemist German pioneer in dairy science |
1848-1926 1855-1934 |
| Degree Spendrup | ° Spd | Unit for determining the alcohol content | Peter Mathias Spendrup | Danish brandy distiller | ? |
| Degree Stoppani | ° Stoppani | Unit of relative density | Franz Nikolaus Stoppani | German instrument maker | ? |
| Stanton number | St. | Measure of the relative cooling intensity during heat transfer | Thomas Edward Stanton | British engineer | 1865-1931 |
| Stefan number | St. | Ratio of sensible heat to latent heat | Josef Stefan | Austrian mathematician, physicist | 1835-1893 |
| Stokes | St. | kinematic viscosity | George Gabriel Stokes | English mathematician, physicist | 1819-1903 |
| Strehl number | Measure of the optical quality of telescopes and other optical instruments | Karl Strehl | German physicist, mathematician | 1864-1940 | |
| Strouhal number | Sr | Flow physics key figure | Vincent Strouhal | Czech physicist | 1850-1922 |
| Sturgeon | Sturgeon | Unit for the magnetic resistance | William Sturgeon | English physicist, inventor | 1783-1850 |
| Sverdrup | Sv | Unit of measure for volume flows in oceanography | Harald Ulrik Sverdrup | Norwegian oceanographer | 1888-1957 |
| Talbot | - | Unit of radiant energy | William HF Talbot | English physicist, chemist | 1800-1877 |
| Taylor number | Ta | Characteristic value for describing the tendency to form Taylor vortices | Geoffrey Ingram Taylor | British applied mathematician, physicist | 1886-1975 |
| Tesla | T | Unit of magnetic flux density and induction | Nikola Tesla | Yugoslav physicist, electrical engineer | 1858-1943 |
| Thiele module | φ | Key figure and description of the pore diffusion | Ernest W. Thiele | German chemist | ?? |
| Torr | Torr | Unit of measurement of pressure | Evangelista Torricelli | Italian physicist | 1608-1647 |
| Thoma number | Th | Key figure of fluid mechanics (cavitation behavior) | Dieter Thoma | physicist | 1881-1942 |
| Degree Thörner | ° Th | Unit for determining the acidity of milk | Wilhelm Thörner | German chemist | 1850-1920 |
| Degree Tralles | ° Tralles | Unit of the relative density mostly used to determine the alcohol content | Johann Georg Tralles | German physicist | 1763-1822 |
| Troland | trol and td | Unit of pupillary light intensity | Leonard Troland | American researcher | 1889-1932 |
| Degree twaddle | ° Tw | Unit of the relative density of liquids | William Twaddle | Scottish inventor | ?? |
| Violle unit | - | Unit of measure of light intensity | Jules Violle | French physicist | 1841-1923 |
| volt | V | Unit of measurement of electrical voltage | Alessandro Volta | Italian physicist | 1745-1827 |
| watt | W. | Unit of measure of power | James Watt | English engineer | 1736-1819 |
| Weber | Wb | Unit of measurement for the magnetic flux | Wilhelm Eduard Weber | German physicist | 1804-1891 |
| Wedgwood scale | Temperature scale for higher temperatures | Josiah Wedgwood | English entrepreneur | 1730-1795 | |
| Weissenberg number | Wi | Key figure for describing the viscoelastic behavior of fluids | Karl Weissenberg | Austrian physicist | 1893-1976 |
| Degrees Windisch-Kolbach | ° WK | A brewing unit that measures the ability of malt enzymes to reduce starch to sugar |
Wilhelm Windisch , Paul Kolbach |
German chemist Luxembourg brewing scientist |
? 1894-1974 |
| Wobbe index | Wi, Wu | Characterization of the quality of fuel gases | Goffredo Wobbe | Italian gas engineer, inventor | ? ? |
literature
- Collective of authors: Small Encyclopedia Nature. Verlag Enzyklopädie Leipzig, Leipzig 1963, p. 151.