hot_spell has definitions from the field of meteorology
1
[ noun ] (meteorology) a period of unusually hot weather

Used in print

(Gerald Green, The Heartless Light....)

Southern_California gasped and blinked under an autumn hot_spell , drier , more enervating , more laden with man 's contrived impurities than the worst days of the summer past .

Related terms

weather sultriness scorcher

2
[ noun ] a spell of hot weather

Related terms

while

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