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English definition of “roll-on”

roll-on

noun [C]     /ˈrəʊl.ɒŋ/ US  /ˈroʊl.ɑːn/
a small container with a moving ball at the top, used for storing and rubbing on deodorant (= a chemical substance that prevents or hides unpleasant body smells)Toiletry and perfumes
(Definition of roll-on noun from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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