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From poikilo- + -hydry or a noun-forming modification of poikilohydric (see -y); compare homoiohydry.
Etymology from Wiktionary, CC BY-SA 4.0.
poikilohydry
Today it means: The condition of being poikilohydric; the lack of structural or functional mechanisms to actively regulate the equilibrium between the concentration of water in cell tissue and that in the environment. Full definition →