maleic hydrazide

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

noun Chemistry.

a crystalline compound, C4N2H4O2, used as a plant growth inhibitor and weed-killer.

Origin of maleic hydrazide

1945–50; maleic (see maleic acid); hydr-2 + az- + -ide
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019