different between caffeine vs theine

English

Alternative forms

• caffein

Etymology

From French caféine, from café (“coffee”), or German Caffein, Kaffein (cp. Coffein, Koffein), from Kaffee (“coffee”) (cp. Kaffe, Koffee, Koffe), or Italian caffè (“coffee”) +? -ine

Pronunciation

• IPA^(key): /?kæfi?n/ or /kæ?fi?n/

Noun

caffeine (usually uncountable, plural caffeines)

1. An alkaloid, C₈H₁₀N₄O₂, found naturally in tea and coffee plants which acts as a mild stimulant on the central nervous system. [from 1830]

   Coordinate terms: guaranine, mateine, theine

Derived terms

• caffeine-free

Translations

Further reading

• caffeine on Wikipedia.Wikipedia

References

Italian

Noun

caffeine f pl

1. plural of caffeina

English

Etymology

From French théine.

Noun

theine (uncountable)

1. (organic chemistry) Caffeine when present in tea.

   Coordinate terms: caffeine, guaranine, mateine

   • 2010, Crispian Scully, Medical Problems in Dentistry E-Book, Elsevier Health Sciences (?ISBN), page 693:

     Caffeine is called guaranine when found in guarana, mateine when found in mate and theine when found in tea. There is far more caffeine in coffees than in teas.

Anagrams

• Thiene, ethine, ethnie

Irish

Noun

theine

1. Obsolete spelling of thine; lenited form of teine.

Old Irish

Pronunciation

• IPA^(key): /???en?e/

Noun

theine

1. Lenited form of teine.