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maleic hydrazide

American  
[muh-lee-ik hahy-druh-zahyd] / məˈli ɪk ˈhaɪ drəˌzaɪd /

noun

Chemistry.

  1. a crystalline compound, C 4 N 2 H 4 O 2 , used as a plant growth inhibitor and weed-killer.

Etymology

Origin of maleic hydrazide

1945–50; maleic ( maleic acid ); hydr- 2 + az- + -ide ( def. )

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

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.