Mateine
noun
noun ·Rare ·Advanced level
Definitions
Noun
- 1 Caffeine extracted from maté plant. uncountable
"Caffeine is a xanthine alkaloid compound that acts as a stimulant in humans. Caffeine is sometimes called guaranine when found in guarana, mateine when found in mate, and theine when found in tea."
- 2 A hypothetical xanthine alkaloid said to be found in maté, supposed to resemble caffeine. uncountable
"Unlike tea and coffee, however, it does not contain caffeine. Instead, its main active ingredient is a xanthine alkaloid known as mateine."
Example
More examples"Caffeine is a xanthine alkaloid compound that acts as a stimulant in humans. Caffeine is sometimes called guaranine when found in guarana, mateine when found in mate, and theine when found in tea."
Etymology
From maté + -ine.
More for "mateine"
Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.