Δ

Definition from Wiktionary, the free dictionary
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Greek uc delta.svg
Δ U+0394, Δ
GREEK CAPITAL LETTER DELTA
Γ
[U+0393]
Greek and Coptic Ε
[U+0395]

Translingual[edit]

Symbol[edit]

Δ

  1. (mathematics, sciences) Alternative form of : change in a variable
  2. (chemistry) Used on the reaction arrow in a chemical equation, to show that energy in the form of heat is added to the reaction
  3. (mathematics, set theory) Used to represent the symmetric difference (also known as the disjunctive union) of two sets
  4. (genetics) Used before a gene name as a modifier to denote a deletion mutation of that gene.

Usage notes[edit]

(mathematics): Unicode establishes a distinct symbol () for particular use in mathematics, but the upper case delta here is often substituted for convenience.

Coordinate terms[edit]


English[edit]

Noun[edit]

Δ

  1. (law) Abbreviation of defendant.

Albanian[edit]

Pronunciation[edit]

Letter[edit]

Δ (Dh) (upper case Δ, lower case δ)

  1. The 6th letter of the Arvanitic Albanian Greek-script alphabet.

See also[edit]


Greek[edit]

Adjective[edit]

Δ (D)

  1. Abbreviation of δυτικός (dytikós, west, westerly).

Noun[edit]

Δ (D)

  1. Abbreviation of δύση (dýsi, west).

See also[edit]

Letter[edit]

Δ (D) (uppercase, lowercase δ)

  1. The upper case delta (δέλτα), the fourth letter of the modern Greek alphabet, representing a voiced interdental fricative (/ð/).

Coordinate terms[edit]

Descendants[edit]

See also[edit]