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English definition of “on”

on

preposition (CONNECTED)    /ɒn/ US  /ɑːn/
A1 covering the surface of, being held by, or connected to something: You've got blood on your shirt. Which finger do you wear your ring on? Can you stand on your head? We could hang this picture on the wall next to the door. Dogs should be kept on their leads at all times.UK We've just moved house and we're not on the phone (= not connected to the phone service) yet.On or off Grammar:At, on and in (place)We use at:See moreGrammar:On, ontoOn and onto are prepositions.See more
(Definition of on preposition (CONNECTED) from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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