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warm (sb/sth) up

phrasal verb with warm
 
/wɔːm/
 
US  /wɔːrm/ verb [I or T]

Definition

to become warmer or to make someone or something warmer: The house soon warms up with the heating on. I'll just warm up the engine while you're getting your coats on.Warm
(Definition of warm (sb/sth) up from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)

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