Defn: An order of helminths, including the Nematoidea and Gordiacea; the roundworms. [Written also Nematelminthea.]

NEMATO-
Nem"a*to-

Defn: . A combining from Gr. nhema, nhematos, a thread.

NEMATOBLAST
Nem"a*to*blast, n. Etym: [Nemato- + -blast.] (Biol.)

Defn: A spermatocyte or spermoblast.

NEMATOCALYX
Nem`a*to*ca"lyx, n.; pl. Nematocalyces, E. -calyxes. Etym: [NL. See
Nemato-, and Calyx.] (Zoöl.)

Defn: One of a peculiar kind of cups, or calicles, found upon hydroids of the family Plumularidæ. They contain nematocysts. See Plumularia.

NEMATOCERA
Nem`a*toc"e*ra, n. pl. Etym: [NL., fr. Gr. (Zoöl.)

Defn: A suborder of dipterous insects, having long antennæ, as the mosquito, gnat, and crane fly; — called also Nemocera.

NEMATOCYST
Nem"a*to*cyst, n. Etym: [Nemato- + cyst.] (Zoöl.)