δ
Definition from Wiktionary, a free dictionary
| Unicode name | GREEK SMALL LETTER DELTA | |||
|---|---|---|---|---|
| Codepoint | U+03B4 | |||
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See also Appendix:Variations of "d"
Contents |
[edit] Translingual
[edit] Symbol
δ
- (mathematics) A small increment or change in a variable.
- δx is a small change in variable x
- (mathematics) A small number, usually accompanied by ε.
- For any ε > 0, there is a δ > 0 …
[edit] See also
[edit] Greek
[edit] Etymology
Derived from its majuscule counterpart Δ, from the Phoenician letter 𐤃, dalet.
[edit] Letter
δ (lowercase, uppercase Δ)
- Lower case delta (δέλτα), the fourth letter of Greek alphabet. It represented in Ancient Greek a voiced dental plosive: IPA: /d/ and in modern Greek a voiced dental fricative: IPA: /ð/. It is preceded by γ and followed by ε.