Synonyms of infinitesimal

Noun

1. infinitesimal, variable, variable quantity

usage: (mathematics) a variable that has zero as its limit

Adjective

1. infinitesimal, minute, small (vs. large), little (vs. big)

usage: infinitely or immeasurably small; "two minute whiplike threads of protoplasm"; "reduced to a microscopic scale"

Definition and meaning of infinitesimal (Dictionary)