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osmoregulation

American  
[oz-moh-reg-yuh-ley-shuhn, os-] / ˌɒz moʊˌrɛg yəˈleɪ ʃən, ˌɒs- /

noun

  1. the process by which cells and simple organisms maintain fluid and electrolyte balance with their surroundings.


osmoregulation British  
/ ˌɒzməʊˌrɛɡjʊˈleɪʃən /

noun

  1. zoology the adjustment of the osmotic pressure of a cell or organism in relation to the surrounding fluid

"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

Etymology

Origin of osmoregulation

First recorded in 1930–35; osmo- + regulation

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

"We thought that freshwater insects might be shifting so much of their energy toward osmoregulation in saltier environments that they cannot grow or thrive," Buchwalter says.

From Science Daily • Oct. 6, 2023

That way the animal doesn't have to work as hard to maintain osmoregulation.

From Science Daily • Oct. 6, 2023

Nearly all plants use related mechanisms of osmoregulation, and we will focus on the transport of water and other nutrients.

From Textbooks • Jun. 9, 2022

The skin of bony fishes is often covered by overlapping scales, and glands in the skin secrete mucus that reduces drag when swimming and aids the fish in osmoregulation.

From Textbooks • Jan. 1, 2015

I grabbed a yellow legal pad where Fred had recorded pages of notes on great white shark behavior, reproduction, and something called osmoregulation.

From "The Line Tender" by Kate Allen