Definition of unioniform in English:

unioniform

adjective

Zoology
  • Belonging to or resembling a unionid; unionoid.

Origin

Early 19th century. From scientific Latin Unio unio (with insertion of -n- after its classical Latin etymon ūniōn-, ūniō) + -iform.

Pronunciation

unioniform

/ˈjuːnɪənɪfɔːm/