long-acting

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

adjective Pharmacology.

Origin of long-acting

First recorded in 1950–55

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 excreted Compare intermediate-acting, short-acting