Nos`o*co"mi*al (?), a. [L. nosocomium a hospital, Gr. &?;; &?; disease
+ &?; to attend to.] Of or pertaining to a hospital; as, nosocomial
atmosphere. Dunglison.
No*sog"ra*phy (?), n. [Gr. &?; disease + -graphy: cf. F. nosographie.]
A description or classification of diseases.
Nos`o*log"ic*al (?), a. [Cf. F. nosologique.] Of or pertaining to
nosology.
No*sol"o*gist (?), n. [Cf. F. nosologiste.] One versed in nosology.
No*sol"o*gy (?), n. [Gr. &?; disease + -logy: cf. F. nosologie.] 1. A
systematic arrangement, or classification, of diseases.
2. That branch of medical science which treats of diseases, or of the
classification of diseases.
Nos`o*po*et"ic (?), a. [Gr. &?; disease + &?; productive, fr. &?; to
make.] Producing diseases. [R.] Arbuthnot.
Nost (?). [Contr. from ne wost.] Wottest not; knowest not. [Obs.]
Chaucer.
Nos*tal"gi*a (?), n. [NL., fr. Gr. &?; a return home + &?; pain.]
(Med.) Homesickness; esp., a severe and sometimes fatal form of
melancholia, due to homesickness.
Nos*tal"gic (?), a. [Cf. F. nostalgique.] Of or pertaining to
nostalgia; affected with nostalgia.
Nos*tal"gy (?), n. Same as Nostalgia.
Nos"toc (?), n. [F.] (Bot.) A genus of algæ. The plants are composed of
moniliform cells imbedded in a gelatinous substance.
Nostoc commune is found on the ground, and is ordinarily not seen; but
after a rain it swells up into a conspicuous jellylike mass, whish was
formerly supposed to have fallen from the sky, whence the popular
names, fallen star and star jelly. Also called witches' butter.
Nos"tril (?), n. [OE. nosethril, nosethirl, AS. nospyrl; nos for nosu
nose + pyrel opening, hole, from pyrel pierced, for pyrhel, fr. purh
through. &?; See Nose, and Through, and cf. Thrill.]
1. (Anat.) One of the external openings of the nose, which give passage
to the air breathed and to secretions from the nose and eyes; one of
the anterior nares.
In sperm whales, porpoises, and allied animals, there is only one
nostril, which is situated on the top of the head and called a
spiracle.