DELTA

Sep 2, 2021

Noun: the fourth letter of the Greek alphabet (Δ, δ), transliterated as ‘d’

Noun: a code word representing the letter D, used in radio communication

Noun: a difference between two things or values

Symbol: variation of a variable or function

Symbol: a finite increment

Symbol: the discriminant of a quadratic equation

Symbol: declination

Noun: a triangular tract of sediment deposited at the mouth of a river, typically where it diverges into several outlets