- (mathematics) A (path-dependent, inexact) differential.
- (mathematics) A small number, usually accompanied by ε.
- For any , there is a …
- (mathematics) Kronecker delta or Dirac delta.
Derived from its majuscule counterpart Δ, from the Phoenician letter 𐤃, dalet.
δ • (d) (lowercase, uppercase Δ)
- Lower case delta (δέλτα), the fourth letter of Greek alphabet. It represented in Ancient Greek a voiced dental plosive: /d/ and in modern Greek a voiced dental fricative: /ð/. It is preceded by γ and followed by ε.
- δ΄ (d΄), ,δ (,d)
- d, D (Roman)
- д, Д (Cyrillic)
- ⲇ, Ⲇ (Coptic)
- ∂ (mathematics)
- (Greek-script letters) Α α (A a), Β β (B b), Γ γ (G g), Δ δ (D d), Ε ε (E e), Ζ ζ (Z z), Η η (Ē ē), Θ θ (Th th), Ι ι ℩ (I i ℩), Κ κ (K k), Λ λ (L l), Μ μ (M m), Ν ν (N n), Ξ ξ (X x), Ο ο (O o), Π π (P p), Ρ ρ (R r), Σ σ ς (S s s), Τ τ (T t), Υ υ (U u), Φ φ (Ph ph), Χ χ (Kh kh), Ψ ψ (Ps ps), Ω ω (Ō ō)
- (punctuation) · ;
- (diacritics) ᾿ ῾ ´ ` ῀ ¨ ¯ ˘
δ • (d) f (indeclinable)
- Abbreviation of δεσποινίς (despoinís): Miss
- κ (k, “Mr, Mrs”)
- κα (ka, “Mrs”)