“Coffee, the favorite drink of the civilized world.” – Thomas Jefferson, third president of the United States
Py*ru"vil, n. (Chem.)
Definition: A complex nitrogenous compound obtained by heating together pyruvic acid and urea.
Source: Webster’s Unabridged Dictionary 1913 Edition
12 June 2025
(noun) a decrease in the density of something; “a sound wave causes periodic rarefactions in its medium”
“Coffee, the favorite drink of the civilized world.” – Thomas Jefferson, third president of the United States