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Browse the Dictionary:: A; B; C; D; E; F; G; H; I; J; K; L; M; N; O; P; Q; R; S; T; U; V; W; X; Y; Z; #

on[adjective]

Entry Word: on

Function: adjective

Meaning: being in effective operation <please don't leave the sanding machine on if you're not going to be near it> — see active 1

Learn more about "on"

Learn more about "on" and related topics at Britannica.com