Definition of achlamydate in English:

achlamydate

adjective

Zoology
rare
  • Of a mollusc: lacking a mantle. Opposed to chlamydate.

Origin

Late 19th century; earliest use found in Thomas Huxley (1825–1895), biologist and science educationist. From a- + chlamydate.

Pronunciation:

achlamydate

/eɪˈklamɪdeɪt/