Definition from Wiktionary, the free dictionary
approximant (plural approximants)
- (phonetics) a consonant sound made by slightly narrowing the vocal tract, while still allowing a smooth flow of air. Liquids and glides are approximants.
- (mathematics) An approximation to the solution of a function, series, etc.
consonant made by slightly narrowing the vocal tract
mathematics: approximation — see approximation
- Present participle of approximer.