‖n. pl. [ NL. ] (Zool.) A group of insects which do not undergo any metamorphosis.
‖n. pl. [ NL. See Hemi-, and Metabola. ] (Zool.) Those insects which have an incomplete metamorphosis. [ 1913 Webster ]
‖n. pl. [ NL. See Holo-, and Metabola. ] (Zool.) Those insects which have a complete metamorphosis; metabola. [ 1913 Webster ]