Definition of caplet
: a capsule-shaped medicinal tablet ◆The name Caplets was formerly a U.S. registered trademark.
Origin and Etymology of caplet
1capsule + tablet
First Known Use: 1937
Medical Definition of caplet
: a capsule-shaped medicinal tablet <After Tylenol capsules were twice contaminated with cyanide, … the Johnson & Johnson pharmaceutical company phased out capsules entirely, replacing them with either capsule-shaped tablets known as caplets or gelatin-covered tablets, known as gelcaps, that look like capsules.—Malcolm Gladwell, The Washington Post, 6 Mar. 1991>
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