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diadromous

[dahy-ad-ruh-muh s]
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adjective
  1. Botany. (of a leaf) having a fanlike arrangement of veins.
  2. (of fish) migrating between fresh and salt waters.

Origin of diadromous

First recorded in 1945–50; dia- + -dromous
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
British Dictionary definitions for diadromous

diadromous

adjective
  1. botany of or possessing a leaf venation in the shape of a fan
  2. (of some fishes) migrating between fresh and salt waterSee also anadromous, catadromous
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012