Definition of aschelminth in English:

aschelminth

Syllabification: asc·hel·minth
Pronunciation: /ˈaskhelˌminTH, ˈaSHhel-
 
/

noun (plural aschelminths or aschelminthes /ˌaskhelˈminTHēz, ˌaSHhel-/)

Zoology
An invertebrate animal belonging to a group of phyla that are distinguished by the lack of a well-developed coelom and blood vessels. Most aschelminths are minute wormlike animals, including the nematode worms, rotifers, and water bears.
  • Phylum Nematoda and about seven minor phyla, formerly placed in a phylum Aschelminthes
More example sentences
  • Since aschelminths all lack substantial hard parts, their fossil record is extremely spotty.
  • Clearly, the status of several traditional ‘aschelminthes’ groups awaits further confirmation.
  • An alternative explanation is that it was a kind of aschelminth (pseudocoelomate worm), as indicated for example by its asymmetrical mouth.

Origin

from modern Latin Aschelminthes (former phylum name), from Greek askos 'sac' + helminth 'worm' (from the former belief that animals of this group had a fluid-filled internal sac).

Definition of aschelminth in:

Get more from Oxford Dictionaries

Subscribe to remove ads and access premium resources

Word of the day premonition
Pronunciation: ˌprēməˈniSHən
noun
a strong feeling that something will happen …