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roll-on

noun [C]
 
 
/ˈrəʊl.ɒŋ/ US  /ˈroʊl.ɑːn/

Definition

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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