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Pluviography

The branch of meteorology treating of the automatic registration of the precipitation of rain, snow, etc.; also, the graphic presentation of precipitation data.

Pluviometer

An instrument for ascertaining the amount of rainfall at any place in a given time; a rain gauge.

Pluviometrical

Of or pertaining to a pluviometer; determined by a pluviometer.

Pluviometry

That branch of meteorology that treats of the measurement of the precipitation of rain, snow, etc.

Pluviose

The fifth month of the French republican calendar adopted in 1793. It began January 20, and ended February 18. See Vend/miaire.

Pluvious

Abounding in rain; rainy; pluvial.

Ply

A fold; a plait; a turn or twist, as of a cord.

Plyer

One who, or that which, plies A kind of balance used in raising and letting down a drawbridge. It consists of timbers joined in the form of a St. Andrew's cross. See Pliers.

Pneumatic

A vehicle, as a bicycle, the wheels of which are fitted with pneumatic tires.

Pneumatical Pneumatic

Consisting of, or resembling, air; having the properties of an elastic fluid; gaseous; opposed to dense or solid.

Pneumaticity

The state of being pneumatic, or of having a cavity or cavities filled with air; as, the pneumaticity of the bones of birds.

Pneumatocele

A distention of the scrotum by air; also, hernia of the lungs.

Pneumatocyst

A cyst or sac of a siphonophore, containing air, and serving as a float, as in Physalia.

Pneumatogarm

A tracing of the respiratory movements, obtained by a pneumatograph or stethograph.

Pneumatograph

An instrument for recording the movements of the thorax or chest wall during respiration; -- also called stethograph.

Pneumatology

The doctrine of, or a treatise on, air and other elastic fluids. See Pneumatics, 1.

Pneumatometer

An instrument for measuring the amount of force exerted by the lungs in respiration.

Pneumococcus

A form of micrococcus found in the sputum (and elsewhere) of persons suffering with pneumonia, and thought to be the cause of this disease.

Pneumogastric

Of or pertaining to the lungs and the stomach. The pneumogastric nerve.

Pneumometry

Measurement of the capacity of the lungs for air.

Pneumonic

A medicine for affections of the lungs.

Pneumonophora

The division of Siphonophora which includes the Physalia and allied genera; -- called also Pneumatophor/.

Pneumophora

A division of holothurians having an internal gill, or respiratory tree.

Pneumoskeleton

A chitinous structure which supports the gill in some invertebrates.

Pneumotherapy

The treatment of disease by inhalations of compressed or rarefied air.

Pneumothorax

A condition in which air or other gas is present in the cavity of the chest; -- called also pneumatothorax.

Pnyx

The place at Athens where the meetings of the people were held for making decrees, etc.

Poa

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

To become soft or muddy.

Poachard

A common European duck (Aythya ferina); -- called also goldhead, poker, and fresh-water widgeon, or red-headed widgeon. The American redhead, which is closely allied to the European poachard.

Poacher

One who poaches; one who kills or catches game or fish contrary to law.

Poachy

Wet and soft; easily penetrated by the feet of cattle; -- said of land

Poake Poak

Waste matter from the preparation of skins, consisting of hair, lime, oil, etc.

Pocan

The poke (Phytolacca decandra); -- called also pocan bush.

Pock

A pustule raised on the surface of the body in variolous and vaccine diseases.

Pock-broken

Broken out, or marked, with smallpox; pock-fretten.

Pock-pudding

A bag pudding; a name of reproach or ridicule formerly applied by the Scotch to the English.

Pocket

To put, or conceal, in the pocket; as, to pocket the change.

Pocketbook

A small book or case for carrying papers, money, etc., in the pocket; also, a notebook for the pocket.

Pocketful

As much as a pocket will hold; enough to fill a pocket; as, pocketfuls of chestnuts.

Pocketknife

A knife with one or more blades, which fold into the handle so as to admit of being carried in the pocket.

Pocky

Full of pocks; affected with smallpox or other eruptive disease.

Poco

A little; -- used chiefly in phrases indicating the time or movement; as, poco pi/ allegro, a little faster; poco largo, rather slow.

Pocoson

Low, wooded grounds or swamps in Eastern Maryland and Virginia.

Poculiform

Having the shape of a goblet or drinking cup.

Pod

To swell; to fill; also, to produce pods.

Podagra

Gout in the joints of the foot; -- applied also to gout in other parts of body.

Podalgia

pain in the foot, due to gout, rheumatism, etc.

Podarthrum

The foot joint; in birds, the joint between the metatarsus and the toes.

Podder

One who collects pods or pulse.

Podetium

A stalk which bears the fructification in some lichens, as in the so-called reindeer moss.

Podgy

Fat and short; pudgy.

Podical

Anal; -- applied to certain organs of insects.

Podium

A low wall, serving as a foundation, a substructure, or a terrace wall. The dwarf wall surrounding the arena of an amphitheater, from the top of which the seats began. The masonry under the stylobate of a temple, sometimes a mere foundation, sometimes containing chambers.

Podobranch

One of the branchi/ attached to the bases of the legs in Crustacea.

Podocarp

A stem, or footstalk, supporting the fruit.

Podocephalous

Having a head of flowers on a long peduncle, or footstalk.

Podophthalmia

The stalk-eyed Crustacea, -- an order of Crustacea having the eyes supported on movable stalks. It includes the crabs, lobsters, and prawns. Called also Podophthalmata, and Decapoda.

Podophyllin

A brown bitter gum extracted from the rootstalk of the May apple (Podophyllum peltatum). It is a complex mixture of several substances.

Podophyllum

A genus of herbs of the Barberry family, having large palmately lobed peltate leaves and solitary flower. There are two species, the American Podophyllum peltatum, or May apple, the Himalayan Podophyllum Emodi.

Podoscaph

A canoe-shaped float attached to the foot, for walking on water.

Podostomata

An order of Bryozoa of which Rhabdopleura is the type. See Rhabdopleura.

Podotheca

The scaly covering of the foot of a bird or reptile.

Podrida

A miscellaneous dish of meats. See Olla-podrida.

Podura

Any small leaping thysanurous insect of the genus Podura and related genera; a springtail.

Podurid

Any species of Podura or allied genera. Pertaining to the poduras.

Poe

Same as Poi.

Poecilitic

Mottled with various colors; variegated; spotted; -- said of certain rocks. Specifically: Of or pertaining to, or characterizing, Triassic and Permian sandstones of red and other colors.

Poecilopod

One of the P/cilopoda. Also used adjectively.

Poecilopoda

Originally, an artificial group including many parasitic Entomostraca, together with the horseshoe crabs (Limuloidea). By some recent writers applied to the Merostomata.

Poem

A metrical composition; a composition in verse written in certain measures, whether in blank verse or in rhyme, and characterized by imagination and poetic diction; -- contradistinguished from prose; as, the poems of Homer or of Milton.

Poematic

Pertaining to a poem, or to poetry; poetical.

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