delta

noun15

1. •
   The fourth letter of the modern Greek alphabet Δ, δ.
2. •
   a wide piece of ground at the end of a river, where its water spreads out and meets the sea
3. •
   The symbol Δ; A change in a quantity, likely from "d" for "difference".

   • ΔV - "delta vee"(change in velocity, used in rocketry and orbital mechanics)
4. •
   The set of differences between two versions of a file.

   • When you update the file, the system will only save the deltas.
5. •
   Ellipsis of delta variant (variant of the SARS-CoV-2 virus).
6. •
   The rate of change in an option value with respect to the underlying asset's price.
7. •
   (informal) A small but noticeable effect. Compare epsilon.

   • This will slow the main code path down, but only by delta.
8. •
   (US) A military unit, nominally headed by a colonel, equivalent to a USAF operations wing, or an army regiment.
9. •
   [before a noun] The closed figure produced by connecting three coils or circuits successively, end for end, especially in a three-phase system.
10. •
    a star that is usually the fourth brightest of a constellation.
11. •
    The angle subtended at the center of a circular arc.
12. •
    one of four baryons consisting of up and down quarks with a combined spin of 3/2: Δ⁺⁺ (uuu), Δ⁺ (uud), Δ⁰ (udd), or Δ⁻ (ddd)
13. •
    A value in delta notation indicating the relative abundances of isotopes.
14. •
    A type of cargo bike that has one wheel in front and two in back.
15. •
    Alternative letter-case form of Delta from the NATO/ICAO Phonetic Alphabet.

verb2

1. •
   To calculate the differences between the characters in an enciphered text and the characters a fixed number of positions previous.
2. •
   To compare two versions of the same file in order to determine where they differ (where a programmer has made edits).

noun2

1. •
   The Delta variant of COVID-19.

   • Delta is moderately resistant to vaccines, particularly in people who have received just a single dose. — 2021
2. •
   A state of Nigeria in the South South geopolitical zone. Capital: Asaba. Largest city: Warri.

noun1

1. •
   Acronym of Diploma in Teaching English to Speakers of Other Languages, an advanced qualification to teach English, higher than the CELTA, accredited by the University of Cambridge.