delta
Pronunciation: /ˈdɛltə/
The English word “delta” has 15 meanings listed here.
noun
- The fourth letter of the modern Greek alphabet Δ, δ.
- A landform at the mouth of a river where it empties into a body of water.
- The symbol Δ; A change in a quantity, likely from "d" for "difference".
- The rate of change in an option value with respect to the underlying asset's price.
- A value in delta notation indicating the relative abundances of isotopes.
- The set of differences between two versions of a file.
- A small but noticeable effect. Compare epsilon.
- The angle subtended at the center of a circular arc.
- A type of cargo bike that has one wheel in front and two in back.
- The closed figure produced by connecting three coils or circuits successively, end for end, especially in a three-phase system.
- A military unit, nominally headed by a colonel, equivalent to a USAF operations wing, or an army regiment.
- a star that is usually the fourth brightest of a constellation.
- 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)
verb
Etymology
From Ancient Greek δέλτα (délta), borrowed from a Phoenician word for "door", ultimately from Proto-Semitic *dalt-. Doublet of dalet. * (river): from the triangular shape of the majuscule Greek letter delta Δ * (USSF): from the delta wing, symbol of the USSF, a triangular wing, shaped like the majuscule Greek letter delta Δ
Keep exploring: in the interactive dictionary every word of a definition is a link. Open “delta” there
More English words
About this dictionary
The English dictionary on Glottosphere has 650,529 entries with a page. Browse the English dictionary.
Definitions are from Wiktionary, extracted by Kaikki.org, and are available under the CC BY-SA 4.0 licence.