IPA: //dɪˈfɛnɪl//
KK: /dɪˈfɛnɪl/
A chemical compound made up of two phenyl groups connected by a single bond, often used in organic chemistry and as a solvent.
Diphenyl is commonly used in the synthesis of various organic compounds.
Diphenyl is formed from "di-" (meaning two) and "phenyl" (derived from the Greek word "phaino" meaning to show or appear, and used in chemistry to denote a specific hydrocarbon group derived from benzene). The word "diphenyl" refers to a compound that contains two phenyl groups.
Think of 'di-' meaning two, and 'phenyl' relating to a specific chemical group. This helps you remember that diphenyl is a compound with two phenyl groups.