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English definition of “on”

on

preposition (RELATING)    /ɒn/ US  /ɑːn/
B1 relating to: a book on pregnancy Her thesis is on Italian women's literature. The minister has refused to comment on the allegations. Criticism has no effect on him. Have the police got anything on you (= have they got any information about you that can be used against you)?Regarding and concerningLinking and relating Grammar:On, ontoOn and onto are prepositions.See more
(Definition of on preposition (RELATING) from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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