long-acting

[ lawng-ak-ting, long- ]
/ ˈlɔŋˈæk tɪŋ, ˈlɒŋ- /

adjective Pharmacology.

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Origin of long-acting

First recorded in 1950–55
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

British Dictionary definitions for long-acting

long-acting

adjective

(of a drug) slowly effective after initial dosage, but maintaining its effects over a long period of time, being slowly absorbed and persisting in the tissues before being excretedCompare intermediate-acting, short-acting
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