Meaning of hot spot

hot' spot"

Pronunciation: [key]
  1. a 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.
  2. any area or place of known danger, intrigue, dissension, or instability.
  3. a nightclub.
  4. an area of a negative or print revealing excessive light on that part of the subject.
  5. a section of forest or woods where fires frequently occur.
  6. an area hotter than the surrounding surface, as on the shell of a furnace.
  7. an area of abnormally high radioactivity.
  8. a 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).
  9. a chromosome site or a section of DNA having a high frequency of mutation or recombination.
  10. a 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.


Pronunciation: (hot'spot"), [key]
— -spot•ted, -spot•ting.
  1. to stop (a forest fire) at a hot spot.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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