noun
EXAMPLES FROM CORPUS
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A great heat wave descended; it was a beautiful day, the sun turned red at three.
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Early in August a heat wave hit.
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I remember we arrived during a heat wave and had to go into this refrigerator where they kept the furs.
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Ideas flowed out of me like water out of a Brooklyn fire hydrant in the midst of a summer heat wave .
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People were saying that a cold spring meant an early heat wave in summer.
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She shivered at the memory of the horrors that had accompanied that awful heat wave .