[fen-l-thahy-oh-yoo-ree-uh, -yoor-ee-uh, -feen-]
noun Biochemistry.
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-thahy-oh-kahr-bam-ahyd, -id, -kahr-buh-mahyd, -mid, feen-] .

1895–1900; phenyl + thiourea Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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American Heritage
Science Dictionary
phenylthiocarbamide   (fěn'əl-thī'ō-kär'bə-mīd', -kär-bām'īd, fē'nəl-)  Pronunciation Key 
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.
phenylthiourea   (fěn'əl-thī'ō-y-rē'ə, fē'nəl-)  Pronunciation Key 
See phenylthiocarbamide.
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