The Collaborative International Dictionary of English v.0.48:
Aphasmidia \Aphasmidia\ n. 1. 1 one of two subgroups of Nematoda used in some classification systems. Syn: class Aphasmidia. [WordNet 1.5]WordNet (r) 3.0 (2006):
Aphasmidia n 1: one of two subgroups of Nematoda used in some classification systems [syn: Aphasmidia, class Aphasmidia]