Definition of smolt in English:

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Pronunciation: /sməʊlt/


A young salmon (or trout) after the parr stage, when it becomes silvery and migrates to the sea for the first time.
Example sentences
  • Perhaps only 50 reach the ocean as smolts - young salmon that have taken on the characteristic silvery color - about two years later.
  • During our 1996 investigations, we found evidence of predation on a salmon smolt by striped bass, and we utilized available ultrasonic tags to monitor the movements of striped bass.
  • While in freshwater, Chinook Salmon fry and smolts feed on plankton and then terrestrial and aquatic insects, amphipods and crustaceans.


Late Middle English (originally Scots and northern English): of unknown origin; compare with smelt3.

Words that rhyme with smolt

bolt, colt, dolt, holt, jolt, moult (US molt), poult, volt
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