| hemimetabolous | (adj) (of an insect with aquatic young) undergoing incomplete metamorphosis in which the young does not resemble the adult, Syn. hemimetabolic, hemimetamorphous, hemimetamorphic |
| Hemimetabolic | a. (Zool.) Having an incomplete metamorphosis, the larvae differing from the adults chiefly in laking wings, as in the grasshoppers and cockroaches. [ 1913 Webster ] |