caffeine
Fetched 2026-10-26 (cache).
Synonyms: caffein, cafeine, caffine, coffeine, affine, caffeinate, caffeinic, caffeic, caffiene, caseine, caffee
Antonyms: caffein, cafeine, caffine, coffeine, affine, caffeinate, caffeinic, caffeic, caffiene, caseine, caffee
Related words from Datamuse; suggestions, not definitions.
Noun
- An [[alkaloid]], C<sub>8</sub>H<sub>10</sub>N<sub>4</sub>O<sub>2</sub>, found naturally in [[tea]] and [[coffee]] plants, which acts as a mild [[stimulant]] on the [[central nervous system]]. {{defdate|from 1830}}
Source: Wiktionary · CC BY-SA 4.0 (Wiktionary dump) · cached copy, not a rewrite.