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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 four. 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 15 February 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 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 ...
The Greek alphabet has been used to write the Greek language since the late 9th or early 8th century BC. [2] [3] It was derived from the earlier Phoenician alphabet, [4] and is the earliest known alphabetic script to have developed distinct letters for vowels as well as consonants. [5]
The spelling alphabet is now also defined in other unclassified international military documents. [3] The NATO alphabet appeared in some United States Air Force Europe publications during the Cold War. A particular example was the Ramstein Air Base Telephone Directory, published between 1969 and 1973 (currently out of print).
Hangul is a unique alphabet: it is a featural alphabet, where the design of many of the letters comes from a sound's place of articulation, like P looking like the widened mouth and L looking like the tongue pulled in. [47] [better source needed] The creation of Hangul was planned by the government of the day, [48] and it places individual ...
Delta Middle Welsh (scholarly transcriptions) [9] /ð/ cf. Greek Δ δ: ᴇ: Small capital E FUT [2] /e̞̥/ ꬲ Blackletter E Teuthonista [4] ꬳ Barred E ꬴ E with flourish Ǝ ᴲ ǝ: Turned E Pan-Nigerian alphabet: Anii alphabet [11] / ə ~ ɨ / Awing alphabet [12] / e ~ ə / Kanuri alphabet [13] Lama alphabet [14] Lukpa alphabet [15] Turka ...
∆ may refer to: . Triangle (∆), one of the basic shapes in geometry. Many different mathematical equations include the use of the triangle.; Delta (letter) (Δ), a Greek letter also used in mathematics and computer science