Δ
- (mathematics, sciences)Alternative form of∆:change in a variable
- (chemistry) Used on the reaction arrow in a chemical equation, to show that energy in the form of heat is added to the reaction
- (mathematics, set theory) Used to represent thesymmetric difference (also known as thedisjunctive union) of two sets
- (genetics) Used before agene name as a modifier to denote adeletionmutation of that gene.
- (music) Used after apitch class to denote amajor seventh chord with anote of saidpitch as itsroot.
(mathematics): Unicode establishes a distinct symbol (∆) for particular use in mathematics, but Δ is often substituted for convenience.
Δ
- (law)Abbreviation ofdefendant.
Δ (Dh) (upper caseΔ,lower caseδ)
- The 6th letter of theArvanitic Albanian Greek-script alphabet.
- Greek script letters (script appendix):Α α,Β β,B b,Γ γ,Γϳ γϳ,Δ δ,D d,Ε ε,Ε̱ ε̱,Ζ ζ,Ζ̇ ζ̇,Θ θ,Ι ι,Ϳ ϳ,Κ κ,Κ̇ κ̇,Λ λ,ΛΛ λλ,Λ̇ λ̇,Μ μ,Ν ν,Ν̇ ν̇,Ο ο,Π π,Ρ ρ,Ρ̇ ρ̇,Σ σ,Σ̈ σ̈,Τ τ,Ȣ ȣ,Υ υ,Φ φ,Χ χ,Χ̇ χ̇,ΤΣ τσ,ΤΣ̈ τσ̈,DΣ dσ,DΣ̈ dσ̈ [edit]
- (Latin-script letters)shkronjë;A a,B b,C c,Ç ç,D d,Dh dh,E e,Ë ë,F f,G g,Gj gj,H h,I i,J j,K k,L l,Ll ll,M m,N n,Nj nj,O o,P p,Q q,R r,Rr rr,S s,Sh sh,T t,Th th,U u,V v,X x,Xh xh,Y y,Z z,Zh zh
From thePhoenician letter𐤃(d,“dālet”).
Δ• (D) (uppercase,lowercaseδ)
- The letterdelta (δέλτα(délta)), the fourth letter of the ancientGreek alphabet.
- (Greek-script letters)Α α,Β β,Γ γ,Δ δ,Ε ε,Ζ ζ,Η η,Θ θ,Ι ι,Κ κ,Λ λ,Μ μ,Ν ν,Ξ ξ,Ο ο,Π π,Ρ ρ,Σ σ ς,Τ τ,Υ υ,Φ φ,Χ χ,Ψ ψ,Ω ω
- (non-Classical letters)Ϝ(W)ϝ(w),Ͷͷ,Ͱ(H)ͱ(h),Ϻ(S)ϻ(s),Ϟϟ,Ϙ(Q)ϙ(q),Ͳ(S)ͳ(s)
- (punctuation)·;
- (diacritics)᾿῾◌́◌̀῀¨
Δ• (X)
- A digit10 in the decimalacrophonic numeral system that predated thegematria system. An abbreviation ofδέκα(déka,“ten”). Equivalent to the Roman numeralX.
The basic acrophonic units areΙ 1,𐅃 5,Δ 10,Η 100,Χ 1000 andΜ 10,000. Δ is iterated forΔΔ 20,ΔΔΔ 30 andΔΔΔΔ 40, and combines with 𐅃 for 50.
Δ (lower caseδ)
- Aletter of the Cypriot Arabicalphabet, written in theLatin script.
Δ• (D)
- abbreviation ofδυτικός(dytikós,“west, westerly”)
Δ• (D)
- abbreviation ofδύση(dýsi,“west”)
Δ• (D) (uppercase,lowercaseδ)
- Theupper casedelta (δέλτα), the fourthletter of the modern Greek alphabet, representing a voicedinterdental fricative (/ð/).
- (Greek-script letters)Α α,Β β,Γ γ,Δ δ,Ε ε,Ζ ζ,Η η,Θ θ,Ι ι,Κ κ,Λ λ,Μ μ,Ν ν,Ξ ξ,Ο ο,Π π,Ρ ρ,Σ σ ς,Τ τ,Υ υ,Φ φ,Χ χ,Ψ ψ,Ω ω
- (non-Classical letters)Ϝ(W)ϝ(w),Ͷͷ,Ͱ(H)ͱ(h),Ϻ(S)ϻ(s),Ϟϟ,Ϙ(Q)ϙ(q),Ͳ(S)ͳ(s)
- (punctuation)·;
- (diacritics)᾿῾◌́◌̀῀¨
Δ (lower caseδ)
- Aletter of the Wakhialphabet, written in theLatin script.
