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English definition of “heavy-duty”

heavy-duty

adjective [before noun]     /ˌhev.iˈdjuː.ti/ US  /-ˈduː.t̬i/
describes clothing, machinery, or equipment that is stronger than usual so that it can be used a lot, especially in difficult conditions: heavy-duty tools/shoesPhysically strong and powerful
(Definition of heavy-duty adjective from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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