Definition of Caffein in English :

Define Caffein in English

Caffein meaning in English

Meaning of Caffein in English

Pronunciation of Caffein in English

Caffein pronunciation in English

Pronounce Caffein in English

Caffein

see synonyms of caffein

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.


Caffein

see synonyms of caffein
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


Caffein

see synonyms of caffein
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.


Caffein

see synonyms of caffein
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.