a crystalline, slightly water-soluble solid, C6H5NHCSNH2, 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 phen·yl·thi·o·car·ba·mide [fen-l-thahy-oh-kahr-buh-mahyd, -mid, feen-] /ˌfɛn lˌθaɪ oʊˈkɑr bəˌmaɪd, -mɪd, ˌfin-/.
A crystalline compound that tastes somewhat or intensely bitter to people with a specific dominant gene and is used to test for the presence of the gene. Also called phenylthiourea. Chemical formula: C6H5NHCSNH2.