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Definition of smolt
: a young salmon or sea trout about two years old that is at the stage of development when it assumes the silvery color of the adult and is ready to migrate to the sea
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Recent Examples of smolt from the Web
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Striper fishing was good last week after steelhead smolts were released at Discovery.
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A pump failure caused thousands of king salmon smolts to die last week at the Feather River Hatchery.
These example sentences are selected automatically from various online news sources to reflect current usage of the word 'smolt.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
Origin and Etymology of smolt
Middle English (Scots)
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