Definitions
1.nounThe fourth letter of the modern Greek alphabet Δ, δ.
2.nounA landform at the mouth of a river where it empties into a body of water."Nile Delta"
3.nounThe letter D in the ICAO spelling alphabet, which assigns words to letters of the alphabet.
4.nounThe symbol Δ.
5.nounA small but noticeable effect. Compare epsilon."This will slow the main code path down, but only by delta."
6.nounThe set of differences between two versions of a file."When you update the file, the system will only save the deltas."
7.nounA change in a quantity, likely from "d" for "difference"."ΔV - "delta vee"(change in velocity, used in rocketry and orbital mechanics)"
8.nounThe angle subtended at the center of a circular arc.
9.nounA type of cargo bike that has one wheel in front and two in back.
10.nounThe closed figure produced by connecting three coils or circuits successively, end for end, especially in a three-phase system."delta winding; delta connection; delta current"
11.nounThe rate of change in an option value with respect to the underlying asset's price.
12.nounA value in delta notation indicating the relative abundances of isotopes.
13.noun(U.S. Space Force) A military unit, nominally headed by a colonel, equivalent to a USAF operations wing, or an army regiment.