# delta

delta
pronunciation
antique [ d ]
modern [ ð ]
Equivalents
Latin D.
Cyrillic Д
Hebrew ד
Arabic د
Phoenician ?
transcription
From the ancient world d
From the modern d
Coding
Capitals
Unicode number U + 0394
Unicode name GREEK CAPITAL LETTER DELTA
HTML & # 916;
HTML entity Δ
Minuscule
Unicode number U + 03B4
Unicode name GREEK SMALL LETTER DELTA
HTML & # 948;
HTML entity δ

The delta ( Greek Δέλτα , capital letter : Δ, lower case letter : δ) is the fourth letter in the Greek alphabet and has the numerical value 4 according to the Milesian system .

## origin

The sign comes from the Phoenician letter Daleth .

## use

### In Greek

In the Greek number font lower-case letter represents δ the number 4 and together with subscript number sign as ͵δ the number 4000. Because of the shape of the capital letter Δ is (since Herodotus histories 2.13 and more often) the lying between the Nilarmen part Lower Egypt as Delta designated , as in the German river delta in general. In addition, the comedy writer Aristophanes uses Delta in Lysistrata verse 151 to denote female shame .

The Greek letter delta as such - and derived as a symbol for calculation quantities, parameters and the like - is also used in many different contexts and areas of knowledge .

### mathematics

An inverted large delta ∇ is called a nabla . The symbol ( TeX ) that denotes a triangle is not a delta . ${\ displaystyle \ triangle}$ `triangle`

### astronomy

• The small delta (δ) denotes the declination (astronomy) , one of the two equatorial coordinates of stars,
• as well as the third to fifth brightest star of each of the 88 constellations ,
• and the more detailed designation of some meteor streams in order to describe the position of the radiant more precisely in large constellations.

## Others

In the Canadian syllabary there is one letter that looks like the great delta.