sustained-release
[ suh-steynd-ri-lees ]
/ səˈsteɪnd rɪˈlis /
adjective Chemistry, Pharmacology.
(of a drug or fertilizer) capable of gradual release of an active agent over a period of time, allowing for a sustained effect; timed-release; long-acting; prolonged-action; slow-release.
Origin of sustained-release
First recorded in 1955–60