Definitions
from The Century Dictionary.
- noun 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.
from the GNU version of the Collaborative International Dictionary of English.
- noun (Physiol. Chem.) A crystalline substance closely related to xanthin, present in small quantity in urine.
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- noun organic chemistry A
crystalline substance closely related toxanthin , present in small quantities inurine .
Etymologies
from Wiktionary, Creative Commons Attribution/Share-Alike License
para- + xanthin
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