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WordReference Random House Learner's Dictionary of American English © 2024ˈhot ˌspot or ˈhotˌspot, n. [countable]- Governmenta country or region where dangerous or difficult political situations exist or may develop.
- Informal Termsa place of lively activity.
WordReference Random House Unabridged Dictionary of American English © 2024hot′ spot′, - Governmenta country or region where dangerous or difficult political situations exist or may erupt, esp. where a war, revolution, or a belligerent attitude toward other countries exists or may develop:In the 1960s, Vietnam became a hot spot.
- Informal Termsany area or place of known danger, intrigue, dissension, or instability.
- Informal Termsa nightclub.
- Photographyan area of a negative or print revealing excessive light on that part of the subject.
- a section of forest or woods where fires frequently occur.
- an area hotter than the surrounding surface, as on the shell of a furnace.
- Physicsan area of abnormally high radioactivity.
- Geologya region of molten rock below and within the lithosphere that persists long enough to leave a record of uplift and volcanic activity at the earth's surface. Cf. plume (def. 10).
- Geneticsa chromosome site or a section of DNA having a high frequency of mutation or recombination.
- Veterinary Diseasesa moist, raw sore on the skin of a dog or cat caused by constant licking of an irritation from an allergic reaction, tangled coat, fleas, etc.
Also, hot′spot′.
hot-spot (hot′spot′),USA pronunciation v.t., -spot•ted, -spot•ting. - to stop (a forest fire) at a hot spot.
- verb, verbal use of hot spot 1950–55
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