Dictionary.com
Thesaurus.com

controlled-release

American  
[kuhn-trohld-ri-lees] / kənˈtroʊld rɪˈlis /

adjective

  1. (of a substance, as a medicine or insecticide) released or activated at predetermined intervals or gradually over a period of time.

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.