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Phenmetrazine

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• Pheno-

  1. a combining form meaning “shining,” “appearing, seeming,” used in the formation of compound words: phenocryst. 2. a combining form used in the names of chemical compounds that contain phenol or the phenyl group, are related to aromatic compounds, or derive from benzene: phenobarbital. combining form 1. showing or manifesting: phenotype 2. indicating that a […]

• Phenobarbital

  [fee-noh-bahr-bi-tawl, -tal, -nuh-] /ˌfi noʊˈbɑr bɪˌtɔl, -ˌtæl, -nə-/ noun, Pharmacology. 1. a white, crystalline powder, C 1 2 H 1 2 N 2 O 3 , used as a sedative, a hypnotic, and as an antispasmodic in epilepsy. /ˌfiːnəʊˈbɑːbɪtəl/ noun 1. a white crystalline derivative of barbituric acid used as a sedative for treating insomnia […]

• Phenobarbitone

  [fee-noh-bahr-bi-tawl, -tal, -nuh-] /ˌfi noʊˈbɑr bɪˌtɔl, -ˌtæl, -nə-/ noun, Pharmacology. 1. a white, crystalline powder, C 1 2 H 1 2 N 2 O 3 , used as a sedative, a hypnotic, and as an antispasmodic in epilepsy. /ˌfiːnəʊˈbɑːbɪtəl/ noun 1. a white crystalline derivative of barbituric acid used as a sedative for treating insomnia […]

• Phenocopy

  [fee-nuh-kop-ee] /ˈfi nəˌkɒp i/ noun, plural phenocopies. Genetics. 1. the observed result of an environmentally induced, nongenetic alteration of a phenotype to a form that resembles the expression of a known genetic mutation. /ˈfiːnəʊˌkɒpɪ/ noun (pl) -copies 1. a noninheritable change in an organism that is caused by environmental influence during development but resembles the […]

• Phenocryst

  [fee-nuh-krist, fen-uh-] /ˈfi nə krɪst, ˈfɛn ə-/ noun, Petrology. 1. any of the conspicuous in a porphyritic rock. /ˈfiːnəˌkrɪst; ˈfɛn-/ noun 1. any of several large crystals that are embedded in a mass of smaller crystals in igneous rocks such as porphyry phenocryst (fē’nə-krĭst’) A large crystal that is surrounded by a finer-grained matrix in […]

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