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chalone

American

[kal-ohn] / ˈkæl oʊn /

noun

Physiology.

an endocrine secretion that depresses or inhibits physiological activity.

chalone British

/ ˈkæləʊn /

noun

any internal secretion that inhibits a physiological process or function

"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 chalone

1910–15; < Greek chalôn, present participle of chalân to slacken, loosen; on the model of hormone

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