Find the word definition

Wiktionary
timed-release

a. that releases its active ingredients gradually, so as to produce a sustained effect

Usage examples of "timed-release".

The murky suspension of Keylate that Americans swallowed contained not only the selective chelates, but coated particles of replacement elements which, like tiny timed-release caps, became available to the body only after chelates had removed newly-absorbed elements.

Or, better yet, planted some exotic disease cultures in timed-release capsules in his gluteal muscle sheath.