HOW TO PRONOUNCE
Heavy Duty
American English · Video pronunciation
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American Pronunciation Guide · 0:47
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What does Heavy Duty mean?
noun
- Strenuous service.
Definitions regrouped for readability · CC BY-SA 4.0
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In the pages of books
See this word in context.
The bone which supports the entire wing surface, called the (pectoral), has a heavy duty to perform.
Where they are naturally cheap, they are consumed duty free; where they are naturally dear, they are loaded with a heavy duty.
More book examples (1)
A mutual friend was willing to take it to her, but, upon making inquiries at the American Consulate as to the Customs regulations, he was informed that it would be impossible for him to undertake the commission, as the Customs officers at San Francisco, besides imposing a heavy duty on the dog, would keep the ship in quarantine because the dog was on board.