PYRULA
Pyr"u*la, n. Etym: [NL., fr. L. pyrus a pear.] (Zoöl.)
Defn: A genus of large marine gastropods. having a pear-shaped shell.
It includes the fig-shells. See Illust. in Appendix.
PYRURIC
Py*ru"ric, a.
Defn: Same as Pyroüric.
PYRUS
Py"rus, n. Etym: [L. pyrus, or better pirus, pear tree.] (Bot.)
Defn: A genus of rosaceous trees and shrubs having pomes for fruit. It includes the apple, crab apple, pear, chokeberry, sorb, and mountain ash.
PYRUVIC
Py*ru"vic, a. Etym: [Pyro- + L. uva a grape.] (Chem.)
Defn: Pertaining to, or designating, an acid (called also pyroracemic acid) obtained, as a liquid having a pungent odor, by the distillation of racemic acid.
PYRUVIL
Py*ru"vil, n. (Chem.)
Defn: A complex nitrogenous compound obtained by heating together pyruvic acid and urea.