D defs.my
Entry 2 senses Webster, 1913

-gen

· IPA
01 A suffix used in scientific words in the sense of producing, generating: as, amphigen, amidogen, halogen.
  1. 1.
    A suffix used in scientific words in the sense of producing, generating: as, amphigen, amidogen, halogen.
  2. 2.
    A suffix meaning produced, generated; as, exogen.