mateine

ma·tei·ine
M3A1T1E1I1N1E1
/ˈmæteɪˌiːn//ˈmɑteɪˌiːn/

noun

Caffeine extracted from maté plant.

Scrabble 9

Meanings

nounmateine (uncountable)
  1. uncountablechemistryCaffeine extracted from maté plant.

    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.

    2014, Nicolae Sfetcu, Health & Drugs: Disease, Prescription & Medication
  2. uncountablechemistryA hypothetical xanthine alkaloid said to be found in maté, supposed to resemble caffeine.

    Unlike tea and coffee, however, it does not contain caffeine. Instead, its main active ingredient is a xanthine alkaloid known as mateine.

    2015, Thom Hartmann, ADHD and the Edison Gene

Origin

Translations

Finnish mateiini
  • mateiinialkaloid
French matéine
  • matéinealkaloid
Hungarian matein
  • mateinalkaloid
Portuguese mateína
  • mateínaalkaloid
Spanish mateína
  • mateínaalkaloid

Rhymes & wordplay

Rhymes with mateine

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Anagrams

Cite this entry
APA

mateine. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/mateine

MLA

“mateine.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/mateine. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “mateine,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/mateine.

Source: mateine on Wiktionary, CC BY-SA 4.0.