chalone

[ kal-ohn ]

noun

, Physiology.

1. an endocrine secretion that depresses or inhibits physiological activity.

chalone

/ ˈkæləʊn /

noun

1. any internal secretion that inhibits a physiological process or function

Word History and Origins

Origin of chalone¹

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

Word History and Origins

Origin of chalone¹

C20: from Greek khalōn, from khalan to slacken