1. That branch of science which treats of the mechanical properties of
air and other elastic fluids, as of their weight, pressure, elasticity,
etc. See Mechanics.
2. (Philos. & Theol.) The scientific study or knowledge of spiritual
beings and their relations to God, angels, and men.
Pneu"ma*to- (n"m*t- or n*mt"-). A combining form from Gr. pney^ma,
pney`matos, wind, air, breath, respiration; as, pneumatograph,
pneumatology. [1913 Webster]
Pneu*mat"o*cele (?), n. [Pneumato- + Gr. &?; a tumor; cf. F.
pneumatocËle.] (Med.) A distention of the scrotum by air; also, hernia
of the lungs.
Pneu*mat"o*cyst (?), n. [Pneumato- + cyst.] (Zoˆl.) A cyst or sac of a
siphonophore, containing air, and serving as a float, as in Physalia.
Pneu*mat"o*garm (?), n. [Pneumato- + -gram.] (Physiol.) A tracing of
the respiratory movements, obtained by a pneumatograph or stethograph.
Pneu*mat"o*graph (?), n. [Pneumato- + -graph.] (Physiol.) An
instrument for recording the movements of the thorax or chest wall
during respiration; -- also called stethograph.
Pneu`ma*to*log"ic*al (?), a. [Cf. F. pneumatologique.] Of or pertaining
to pneumatology.
Pneu`ma*tol"o*gist (?), n. [Cf. F. pneumatologiste.] One versed in
pneumatology.
Pneu`ma*tol"o*gy (?), n. [Pneumato- + -logy: cf. F. pneumatologie.] 1.
The doctrine of, or a treatise on, air and other elastic fluids. See
Pneumatics, 1.
2. (Philos. & Theol.) The science of spiritual being or phenomena of
any description.
Pneu`ma*tom"e*ter (?), n. [Pneumato- + -meter.] (Physiol.) An
instrument for measuring the amount of force exerted by the lungs in
respiration.
Pneu`ma*tom"e*try (?), n. See Spirometry.
Pneu*mat"o*phore (?), n. [Pneumato- + Gr. &?; to bear.] (Zoˆl.) One of
the Pneumonophora.
Pneu`ma*to*tho"rax (?), n. [Pneumato- + thorax.] (Med.) See
Pneumothorax.
Pneu"mo- (?). A combining form from Gr. pney`mwn, pney`monos, a lung;
as, pneumogastric, pneumology.
Pneu`mo*coc"cus (?), n. [See Pneumo- , and Coccus.] (Biol.) A form of
micrococcus found in the sputum (and elsewhere) of persons suffering
with pneumonia, and thought to be the cause of this disease.
Pneu`mo*gas"tric (?), a. [Pneumo- + gastric.] (Anat.) Of or pertaining
to the lungs and the stomach. -- n. The pneumogastric nerve.
Pneumogastric nerve (Anat.), one of the tenth pair of cranial nerves
which are distributed to the pharynx, esophagus, larynx, lungs, heart,
stomach, liver, and spleen, and, in fishes and many amphibia, to the
branchial apparatus and also to the sides of the body.
Pneu"mo*graph (?), n. Same as Pneumatograph.
Pneu*mog"ra*phy (?), n. [Pneumo- + -graphy.] A description of the
lungs. Dunglison.
Pneu*mol"o*gy (?), n. [Pneumo- + -logy.] (Anat.) The science which
treats of the lungs.
Pneu*mom"e*ter (?), n. [Pneumo- + -meter.] (Physiol.) A spirometer.
Pneu*mom"e*try (?), n. Measurement of the capacity of the lungs for
air. Dunglison.
Pneu*mo"ni*a (n*m"n*), n. [NL., fr. Gr. pneymoni`a, fr. pney`mwn, pl.
pney`mones the lungs, also, pley`mwn, which is perh. the original form.
Cf. Pneumatio, Pulmonary.] (Med.) Inflammation of the lungs.
Catarrhal pneumonia, or Broncho- pneumonia, is inflammation of the lung
tissue, associated with catarrh and with marked evidences of
inflammation of bronchial membranes, often chronic; -- also called
lobular pneumonia, from its affecting single lobules at a time. --
Croupous pneumonia, or ordinary pneumonia, is an acute affection
characterized by sudden onset with a chill, high fever, rapid course,
and sudden decline; -- also called lobar pneumonia, from its affecting
a whole lobe of the lung at once. See under Croupous. -- Fibroid
pneumonia is an inflammation of the interstitial connective tissue
lying between the lobules of the lungs, and is very slow in its course,
producing shrinking and atrophy of the lungs.
Pneu*mon"ic (?), a. [Gr. &?;: cf. F. pneumonique.] (a) Of or pertaining
to the lungs; pulmonic. (b) Of or pertaining to pneumonia; as,
pneumonic symptoms.
Pneu*mon"ic, n. (Med.) A medicine for affections of the lungs.
Pneu`mo*nit"ic (?), a. (Med.) Of or pertaining to pneumonitis.
||Pneu`mo*ni"tis (?), n. [NL. See Pneumo-, and -itis.] (Med.)
||Inflammation of the lungs; pneumonia.
<! p. 1104 !>
Pneu`mo*nom"e*ter (?), n. [See Pneumo-, and -meter.] (Physiol.) A
spirometer; a pneumometer.
||Pneu`mo*noph"o*ra (?), n. pl. [NL., fr. Gr. &?; a lung + &?; to
||bear.] (Zoˆl.) The division of Siphonophora which includes the
||Physalia and allied genera; -- called also PneumatophorÊ.
Pneu"mo*ny (?), n. [Cf. F. pneumonie.] See Pneumonia.
||Pneu`mo*ˆt"o*ka (?), n. pl. [NL. See Pneumo-, and Oˆticoid.] (Zoˆl.)
||Same as Sauropsida.
||Pneu*moph"o*ra (?), n. pl. [NL. See Pneumonophora.] (Zoˆl.) (Zoˆl.) A
||division of holothurians having an internal gill, or respiratory
||tree.
Pneu`mo*skel"e*ton (?), n. [Pneumo- + skeleton.] (Zoˆl.) A chitinous
structure which supports the gill in some invertebrates.
Pneu`mo*ther"a*py (?), n. [Gr. &?; air + therapy.] (Med.) The treatment
of disease by inhalations of compressed or rarefied air.
Pneu`mo*tho"rax (?), n. [Gr. &?; air + E. thorax.] (Med.) A condition
in which air or other gas is present in the cavity of the chest; --
called also pneumatothorax.
||Pni*ga"li*on (?), n. [NL., fr. Gr. &?; nightmare, fr. &?; to
||throttle.] (Med.) Nightmare.
Pnyx (?), n. [NL., fr. Gr. &?;.] (Gr. Antiq.) The place at Athens where
the meetings of the people were held for making decrees, etc.
Po"a (?), n. [NL., fr. Gr. &?; grass.] (Bot.) A genus of grasses,
including a great number of species, as the kinds called meadow grass,
Kentucky blue grass, June grass, and spear grass (which see).
Poach (?), v. t. [imp. & p. p. Poached (?); p. pr. & vb. n. Poaching.]
[F. pocher to place in a pocket, to poach eggs (the yolk of the egg
being as it were pouched in the white), from poche pocket, pouch. See
Pouch, v. & n.] 1. To cook, as eggs, by breaking them into boiling
water; also, to cook with butter after breaking in a vessel. Bacon.
2. To rob of game; to pocket and convey away by stealth, as game;
hence, to plunder. Garth.
Poach, v. i. To steal or pocket game, or to carry it away privately, as
in a bag; to kill or destroy game contrary to law, especially by night;
to hunt or fish unlawfully; as, to poach for rabbits or for salmon.
Poach, v. t. [Cf. OF. pocher to thrust or dig out with the fingers, to
bruise (the eyes), F. pouce thumb, L. pollex, and also E. poach to cook
eggs, to plunder, and poke to thrust against.] 1. To stab; to pierce;
to spear, \as fish. [Obs.] Carew.