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The Collaborative International Dictionary of English v.0.48 (gcide)

Nematoidea \Nem`a*toi"de*a\, prop. n. pl. [NL., fr. Gr. nh^ma,
nh`matos, thread -oid.] (Zool.)
A phylum of worms, having a long, round, and generally smooth
body; the roundworms. Called also {Nematodea}, and more
commonly {Nematoda}. Formerly, it was classed as a taxonomic
order.
[1913 Webster PJC]

Note: The trichina, stomach worm, and pinworm of man belong
to this group. See also {Vinegar eel}, under {Vinegar},
and {Gapeworm}.
[1913 Webster]


Nematoda \Nem`a*to"da\, prop. n. pl. (Zool.)
A phylum of worms, having a long, round, and generally smooth
body; the roundworms. They are mostly parasites, in plants
and animals, but some are free-living in soil or water. Also
called {Nematoidea}.
[1913 Webster PJC]

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