lacustrine

Meanings

1. 1
   adj

   relating to, formed in, or living in lakes

   The geologist identified fine layers of mud as lacustrine deposits from an ancient lake.

Borrowed from Latin lacustris, 'of a lake,' from lacus, 'lake,' with the English adjectival ending -ine. Geology uses lacustrine especially for sediments and landforms produced in ancient or modern lake environments.

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