A landform at the mouth of a river where it empties into a body of water.
The rate of change in an option value with respect to the underlying asset's price.
The angle subtended at the center of a circular arc.
A value in delta notation indicating the relative abundances of isotopes.
a star that is usually the fourth brightest of a constellation.
The symbol Δ.
The closed figure produced by connecting three coils or circuits successively, end for end, especially in a three-phase system.
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)
The fourth letter of the modern Greek alphabet Δ, δ.
A change in a quantity, likely from "d" for "difference".
A small but noticeable effect. Compare epsilon.
A type of cargo bike that has one wheel in front and two in back.
A military unit, nominally headed by a colonel, equivalent to a USAF operations wing, or an army regiment.
The set of differences between two versions of a file.
To compare two versions of the same file in order to determine where they differ (where a programmer has made edits).
To calculate the differences between the characters in an enciphered text and the characters a fixed number of positions previous.
An area in a large body of water with many shallow areas.