Phenyl

//ˈfiː.naɪl// noun

noun ·Moderate ·College level

Definitions

Noun
  1. 1
    A univalent hydrocarbon radical, C₆H₅ (benzene minus one hydrogen atom), and the basis of an immense number of aromatic derivatives.

Etymology

Borrowed from French phényle, derived from the root of Ancient Greek φαίνω (phaínō, “to shine”) plus ὕλη (húlē, “wood; material, substance”). Equivalent to phen- + -yl.

Related phrases

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.