Dictionary.com Thesaurus.com

regulant

American

[reg-yuh-luhnt] / ˈrɛg jə lənt /

noun

a substance, as a chemical, used to control or regulate.

herbicides and fungicides as regulants for plant growth.

Etymology

Origin of regulant

regul(ate) + -ant

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.