methylxanthine

noun
meth·​yl·​xan·​thine | \ ˌme-thəl-ˈzan-ˌthēn How to pronounce methylxanthine (audio) \

Definition of methylxanthine

: a methylated xanthine derivative (such as caffeine, theobromine, or theophylline)

First Known Use of methylxanthine

1949, in the meaning defined above

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The first known use of methylxanthine was in 1949

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More Definitions for methylxanthine

methylxanthine

noun
meth·​yl·​xan·​thine | \ ˌmeth-əl-ˈzan-ˌthēn How to pronounce methylxanthine (audio) \

Medical Definition of methylxanthine

: a methylated xanthine derivative (as caffeine, theobromine, or theophylline)

More from Merriam-Webster on methylxanthine

Britannica.com: Encyclopedia article about methylxanthine

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