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English definition of “on”

on

preposition (WRITING)    /ɒn/ US  /ɑːn/
A2 used to show where something has been written, printed , or drawn : Which page is that curry recipe on? His initials were engraved on the back of his watch . What's on the menu tonight ? (= What food is available ?)On or off Grammar:On, ontoOn and onto are prepositions.
(Definition of on preposition (WRITING) from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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