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Delta (/ ˈ d ɛ l t ə /; [1] uppercase Δ, lowercase δ; Greek: δέλτα, délta, ) [2] is the fourth letter of the Greek alphabet. In the system of Greek numerals it has a value of 4. It was derived from the Phoenician letter dalet 𐤃. [ 3 ]
This is an accepted version of this page This is the latest accepted revision, reviewed on 1 January 2025. Letter names for unambiguous communication Not to be confused with International Phonetic Alphabet. Alphabetic code words A lfa N ovember B ravo O scar C harlie P apa D elta Q uebec E cho R omeo F oxtrot S ierra G olf T ango H otel U niform I ndia V ictor J uliett W hiskey K ilo X ray L ...
Delta E Easy Echo F Fox Foxtrot G George Golf H How Hotel I Item India J Jig Juliett K King Kilo L Love Lima M Mike N Nan Nectar: November O Oboe Oscar P Peter Papa Q Queen Quebec R Roger Romeo S Sugar Sierra T Tare Tango U Uncle Uniform V Victor W William Whiskey X Xray X-ray Y Yoke Yankee Z Zebra Zulu 0 Zero 1 Wun 2 Too 3 Thuh-ree 4 Fo-wer 5
Delta commonly refers to: Delta (letter) (Δ or δ), the fourth letter of the Greek alphabet D (NATO phonetic alphabet: "Delta"), the fourth letter in the Latin alphabet
The Greek spelling alphabet is a spelling alphabet (or "phonetic alphabet") for Greek, i.e. an accepted set of easily differentiated names given to the letters of the alphabet for the purpose of spelling out words.
The character ∂ (Unicode: U+2202) is a stylized cursive d mainly used as a mathematical symbol, usually to denote a partial derivative such as / (read as "the partial derivative of z with respect to x").
In the Syriac alphabet, the fourth letter is ܕ — dolath in western pronunciation, dalath and daled in eastern pronunciation (ܕܵܠܵܬ). It is one of six letters that represents two associated sounds (the others are bet, gimel, kaph, pe and taw). When daled/dolath has a hard pronunciation (qûššāyâ) it is a .
the Kronecker delta function; the Feigenbaum constants; the force of interest in mathematical finance; the Dirac delta function; the receptor which enkephalins have the highest affinity for in pharmacology [1] the Skorokhod integral in Malliavin calculus, a subfield of stochastic analysis; the minimum degree of any vertex in a given graph