Definition of phen-
1 : related to or derived from benzene <phenol>
2 : containing phenyl <phenobarbital>
Variants of phen-
Origin and Etymology of phen-
obsolete phene benzene, from French phène, from Greek phainein to show; from its occurrence in illuminating gas — more at fancy
Seen and Heard
What made you want to look up phen-? Please tell us where you read or heard it (including the quote, if possible).