Definition of "delta"
- 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 letter D in the ICAO spelling alphabet, which assigns words to letters of the alphabet.
The symbol Δ.
A small but noticeable effect, compare with epsilon.
The set of differences between two versions of a file.
The angle subtended at the center of a circular arc.
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