ENGLISH DICTIONARY

Caffeine

Definition, Meaning & Examples

Pronunciation /ˈkæfiːn/ · Part of speech noun

Quick meaning: Caffeine is a noun meaning An alkaloid, C₈H₁₀N₄O₂, found naturally in tea and coffee plants, which acts as a mild stimulant on the central nervous system.

Meaning

An alkaloid, C₈H₁₀N₄O₂, found naturally in tea and coffee plants, which acts as a mild stimulant on the central nervous system.

Example Sentences

For example, 0.100 grams of caffeine yield by combustion, by weight, 0.180 grammes of carbonic acid.
The US Food and Drug Administration defines this limit as anything more than 400 milligrams of caffeine daily for healthy adults. This is equivalent to four or five cups of coffee.
Hitherto, in consequence of its slight solubility, caffeine has been administered hypodermically only in very small doses ; in fact, at the ordinary temperature, it requires 93 parts of water to dissolve, so that a cubic centimeter would contain scarcely more than a centigram.

Word Forms

Synonyms for caffeine

Depending on context, synonyms include caffein.

Related Words

Related dictionary entries include caffein, coffee, coffeemaker, cafe, benzoate, citrated.

Related Dictionary Tools

Sources & Attribution

FreeDictionaryAPI.com / Wiktionary · Original source · CC BY-SA 4.0

Dictionary data is provided by FreeDictionaryAPI.com and sourced from Wiktionary under its stated license.