/fen'l thuy'oh yoo ree"euh, -yoor"ee euh, -feen'-/ , n. Biochem.
a crystalline, slightly water-soluble solid, C 6 H 5 NHCSNH 2 , that is either tasteless or bitter, depending upon the heredity of the taster, and is used in medical genetics and as a diagnostic. Also called phenylthiocarbamide /fen'l thuy'oh kahr bam"uyd, -id, -kahr"beuh muyd', -mid, feen'-/ .
[ 1895-1900; PHENYL + THIOUREA ]