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hydrobiology

American  
[hahy-droh-bahy-ol-uh-jee] / ˌhaɪ droʊ baɪˈɒl ə dʒi /

noun

  1. the study of aquatic organisms.

Other Word Forms

  • hydrobiologic adjective
  • hydrobiological adjective
  • hydrobiologically adverb
  • hydrobiologist noun

Etymology

Origin of hydrobiology

First recorded in 1925–30; hydro- 1 + biology

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.