Kappa

Equivalents

Latin

K

Cyrillic

К

Hebrew

ק

Arabic

ﻙ

Phoenician

?

Coding
Capitals
Unicode number	U + 039A
Unicode name	GREEK CAPITAL LETTER KAPPA
HTML	& # 922;
HTML entity	& Kappa;
Minuscule
Unicode number	U + 03BA
Unicode name	GREEK SMALL LETTER KAPPA
HTML	& # 954;
HTML entity	& kappa;
variant
Unicode number	U + 03F0
Unicode name	GREEK KAPPA SYMBOL
HTML	& # 1008;
HTML entity	-

The Kappa ( Greek neuter Κάππα , Majuskel Κ, minuscule κ or κ) is the 10th letter of the Greek alphabet , and has according to the Milesian system the numerical value twentieth

use

In physics , the symbol is used for various physical quantities . On the one hand it is the symbol for electrical conductivity , thermal conductivity , for the kinematic viscosity and on the other hand the symbol for compressibility . Sometimes the symbol is also used for the isentropic exponent . In the general theory of relativity one also finds the natural constant , where Newton's gravitational constant is. ${\ displaystyle \ kappa}$ ${\ displaystyle \ kappa}$ ${\ displaystyle \ kappa = 8 \ pi G / c ^ {2} \ approx 1 {,} 866 \ times 10 ^ {- 26} \, {\ rm {m / kg}}}$ ${\ displaystyle G}$

In mathematics , the symbol is used to denote curvature .

In psychology , the symbol for Cohen's kappa is used as a measure of inter-rater agreement.

In medicine, the light chains of immunoglobulins are divided into kappa and lambda. In monoclonal gammopathy ( multiple myeloma and precursors), these are called paraproteins (incomplete or complete immunoglobulins). In addition, there are intracellular, receptor-binding proteins (NF-κB / Iκ-B) in the area of the action of glucocorticoids (steroid hormones), and in the area of opioids so-called κ-opioid receptors, which are also labeled with this letter.

In ophthalmology and physiological ophthalmic optics , the angle between the facial line and the pupil axis is called the angle kappa .

In epidemiology , the symbol is used for the over- dispersion parameter .

Web links

Wiktionary: Kappa - explanations of meanings, word origins, synonyms, translations

Individual evidence

^ Herbert Kaufmann : Strabismus. 4th edition with Heimo Steffen. Georg Thieme Verlag, Stuttgart, New York 2012, ISBN 3-13-129724-7 , page 149

[1] Herbert Kaufmann : Strabismus. 4th edition with Heimo Steffen. Georg Thieme Verlag, Stuttgart, New York 2012, ISBN 3-13-129724-7 , page 149