We're working on a new site. Click here to get a sneak preview.
Medical Dictionary


noun pl Aphas·mid·ia \ˌā-ˌfaz-ˈmid-ē-ə\

Medical Definition of APHASMIDIA

:  a subclass of Nematoda comprising worms in which the sensory organs are often bristlelike, phasmids are lacking or greatly reduced, the lateral cervical papillae are absent, and the sensory depressions situated laterally at the anterior end are usually modified—compare phasmidia


How to use a word that (literally) drives some people nuts.
Test your vocab with our fun, fast game
Ailurophobia, and 9 other unusual fears