Advertisement

Advertisement

theine

[ thee-een, -in ]

noun

  1. caffeine, especially in tea.


theine

/ ˈθiːiːn; -ɪn /

noun

  1. another name for caffeine, esp when present in tea


Discover More

Word History and Origins

Origin of theine1

First recorded in 1830–40; from New Latin the(a) “tea” ( tea ) + -ine 2
Discover More

Word History and Origins

Origin of theine1

C19: from New Latin thea tea + -ine ²
Discover More

Example Sentences

It is remarkable also that tea has been found to contain an element called theine, which has the same quantity of nitrogen.

Chemical investigation indicates that caffeine and theine are the same and theobromine is a closely related substance.

Theine is no doubt a deadly poison, but we manage to drink it with tolerable safety in our tea and coffee.

The quantity of theine consumed in a cup of tea is about 4/5 of a grain, or ¼ of a medicinal dose.

The caffein or theine in tea is an alkaloid that has characteristic physiological properties.

Advertisement

Advertisement

Advertisement

Advertisement


Importance of Being Earnest, Theinside track, the