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juvenile hormone

noun, Biochemistry.
any of a class of insect and plant hormones acting to inhibit the molting of a juvenile insect into its adult form.
Origin of juvenile hormone
1935-40 Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2016.
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British Dictionary definitions for juvenile hormone

juvenile hormone

a hormone, secreted by insects from a pair of glands behind the brain, that promotes the growth of larval characteristics and inhibits metamorphosis
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
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