D defs.my
Entry 1 sense Webster, 1913

Phenylene

· Phe·nyl·ene · IPA
01 n. A hypothetic radical (C6H4) occurring in certain derivatives of benzene; as, phenylene diamine.
  1. 1.
    A hypothetic radical (C6H4) occurring in certain derivatives of benzene; as, phenylene diamine.(Chem.)