Top Definition
The chemical name for caffeine.

The reason why coffee is so fantastic.
If it weren't for trimethylxanthine, no one would drink coffee.
#caffeine #coffee #soda #stimulant #tea
by Xanthos Vengokir July 13, 2009
5 Words related to Trimethylxanthine
Free Daily Email

Type your email address below to get our free Urban Word of the Day every morning!

Emails are sent from daily@urbandictionary.com. We'll never spam you.

×