NOTIONIST
No"tion*ist, n.
Defn: One whose opinions are ungrounded notions. [R.] Bp. Hopkins.
NOTIST
No"tist, n.
Defn: An annotator. [Obs.]
NOTOBRANCHIATA No`to*bran`chi*a*ta, n. pl. Etym: [NL. See Notum, and Branchia.] (Zoöl.) (a) A division of nudibranchiate mollusks having gills upon the back. (b) The Dorsibranchiata.
NOTOBRANCHIATE
No`to*bran"chi*ate, a. (Zoöl.)
Defn: Of or pertaining to the Notobranchiata.
NOTOCHORD
No"to*chord, n. Etym: [Gr. chord.] (Anat.)
Defn: An elastic cartilagelike rod which is developed beneath the medullary groove in the vertebrate embryo, and constitutes the primitive axial skeleton around which the centra of the vertebræ and the posterior part of the base of the skull are developed; the chorda dorsalis. See Illust. of Ectoderm.
NOTOCHORDAL
No`to*chor"dal, a. (Anat.)