Also found in: Medical.
1. Showing; displaying: phenotype.
a. Related to or derived from benzene: phenol.
b. Containing phenyl: phenothiazine.
pheno-or before a vowel
1. showing or manifesting: phenotype.
2. (Chemistry) indicating that a molecule contains benzene rings: phenobarbital.
[from Greek phaino- shining, from phainein to show; its use in a chemical sense is exemplified in phenol, so called because originally prepared from illuminating gas]
1. a combining form meaning “shining,” “appearing, seeming”: 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.Also, esp. before a vowel, phen-.
[< New Latin phaeno- < Greek phaino- shining, comb. form of phaínein to shine, appear; in chemical senses, used orig. with reference to byproducts in manufacture of illuminating gas]