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Definition of Caffeine in English :

Define Caffeine in English

Caffeine meaning in English

Meaning of Caffeine in English

Pronunciation of Caffeine in English

Caffeine pronunciation in English

Pronounce Caffeine in English

Caffeine

see synonyms of caffeine

Noun

1. caffein, caffeine

a bitter alkaloid found in coffee and tea that is responsible for their stimulating effects

WordNet Lexical Database for English. Princeton University. 2010.

Caffeine

see synonyms of caffeine
noun
a white crystalline bitter alkaloid responsible for the stimulant action of tea, coffee, and cocoa: a constituent of many tonics and analgesics. Formula: C8H10N4O2
See also xanthine (sense 2)

Collins English Dictionary. Copyright © HarperCollins Publishers

Caffeine

see synonyms of caffeine
noun
a bitter, crystalline alkaloid, C8H10N4O2, present in coffee, tea, kola nuts, etc.: it prolongs the stimulating effects of cyclic AMP on the heart and central nervous system
: also sp. ˌcafˈfein

Webster’s New World College Dictionary, 4th Edition. Copyright © 2010 by Houghton Mifflin Harcourt. All rights reserved.

Caffeine

see synonyms of caffeine
n.
A bitter white alkaloid, C8H10N4O2, found in certain plants such as cacao, coffee, kola, and tea, that stimulates the central nervous system and body metabolism and is used in medicine, usually in combination with other drugs, to relieve headaches and treat respiratory conditions in premature infants.

The American Heritage ® Dictionary of the English Language, Fifth Edition copyright ©2018 by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

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