Definitions

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. A crystalline substance closely related to xanthin, present in small quantities in urine.

from the GNU version of the Collaborative International Dictionary of English

  • n. A crystalline substance closely related to xanthin, present in small quantity in urine.

from The Century Dictionary and Cyclopedia

  • n. A poisonous crystalline base, 1, 7-dimethylxanthin, C7H8O2N4, which occurs in human urine. It can be made from theobromine and changed into caffein. It melts at 284° C.

Etymologies

para- +‎ xanthin (Wiktionary)

Examples

Sorry, no example sentences found.

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