Webster's Dictionary, 1913

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Polyoptron, Polyoptrum noun [ New Latin , from Greek poly`s many + ... seen.] (Opt.) A glass through which objects appear multiplied, but diminished in size. [ R.]

Polyorama noun [ Poly- + Greek ... a sight, view.] A view of many objects; also, a sort of panorama with dissolving views.

Polyp noun [ Latin polypus , Greek ..., ..., literally, many-footed; poly`s many + ..., ..., foot: confer French polype . See Poly- and Foot , and confer Polypode , Polypody , Poulp .] (Zoology) (a) One of the feeding or nutritive zooids of a hydroid or coral. (b) One of the Anthozoa. (c) plural Same as Anthozoa . See Anthozoa , Madreporaria , Hydroid . [ Written also polype .]

Fresh-water polyp , the hydra. -- Polyp stem (Zoology) , that portion of the stem of a siphonophore which bears the polypites, or feeding zooids.

Polyparous adjective [ Poly- + Latin parere to produce.] Producing or bearing a great number; bringing forth many.

Polypary noun ; plural Polyparies . [ See Polyp .] (Zoology) Same as Polypidom .

Polype noun [ French] (Zoology) See Polyp .

Polypean adjective (Zoology) Of or pertaining to a polyp, or polyps.

Polyperythrin noun [ Polyp + Greek ... red.] (Physiol. Chem.) A coloring matter found in many simple Anthozoa and some hydroids.

Polypetalous adjective [ Poly- + petal .] (Botany) Consisting of, or having, several or many separate petals; as, a polypetalous corolla, flower, or plant. Martyn.

Polyphagous adjective [ Latin polyphagus , Greek ...; poly`s much, many + ... to eat: confer French polyphage .] Eating, or subsisting on, many kinds of food; as, polyphagous animals.

Polyphagy noun The practice or faculty of subsisting on many kinds of food.

Polypharmacy noun [ Poly- + Greek ... the using of medicine, from ... medicine: confer French polypharmacie .] (Medicine) (a) The act or practice of prescribing too many medicines. (b) A prescription made up of many medicines or ingredients. Dunglison.

Polyphase adjective [ Poly- + phase .] (Electricity) Having or producing two or more phases; multiphase; as, a polyphase machine, a machine producing two or more pressure waves of electro-motive force, differing in phase; a polyphase current.

Polyphaser noun (Electricity) A machine generating more than one pressure wave; a multiphaser.

Polyphemus noun [ Latin Polyphemus the one-eyed Cyclops who was blinded by Ulysses.] (Zoology) A very large American moth ( Telea polyphemus ) belonging to the Silkworm family ( Bombycidæ ). Its larva, which is very large, bright green, with silvery tubercles, and with oblique white stripes on the sides, feeds on the oak, chestnut, willow, cherry, apple, and other trees. It produces a large amount of strong silk. Called also American silkworm .

Polyphone noun A character or vocal sign representing more than one sound, as read , which is pronounced rēd or rĕd .

Polyphonic adjective [ Greek ...; poly`s many + ... sound: confer French polyphone .]
1. Having a multiplicity of sounds.

2. Characterized by polyphony; as, Assyrian polyphonic characters.

3. (Mus.) Consisting of several tone series, or melodic parts, progressing simultaneously according to the laws of counterpoint; contrapuntal; as, a polyphonic composition; -- opposed to homophonic , or monodic .

Polyphonism noun Polyphony.

Polyphonist noun
1. A proficient in the art of multiplying sounds; a ventriloquist.

2. (Mus.) A master of polyphony; a contrapuntist.

Polyphonous adjective Same as Polyphonic .

Polyphony noun [ Greek ....]
1. Multiplicity of sounds, as in the reverberations of an echo.

2. Plurality of sounds and articulations expressed by the same vocal sign.

3. (Mus.) Composition in mutually related, equally important parts which share the melody among them; contrapuntal composition; -- opposed to homophony , in which the melody is given to one part only, the others filling out the harmony. See Counterpoint .

Polyphore noun [ Poly- + Greek ... to bear.] (Botany) A receptacle which bears many ovaries.

Polyphotal, Polyphote adjective [ Poly- + Greek ..., ..., light.] (Electricity) Pertaining to or designating arc lamps so constructed that more than one can be used on a single circuit.

Polyphyletic adjective [ Poly- + Greek ... clan.] (Biol.) Pertaining to, or characterized by, descent from more than one root form, or from many different root forms; polygenetic; -- opposed to monophyletic .

Polyphyllous adjective [ Greek ...; poly`s many + ... leaf.] (Botany) Many-leaved; as, a polyphyllous calyx or perianth.

Polypi noun plural [ New Latin ] (Zoology) The Anthozoa.

Polypide noun (Zoology) One of the ordinary zooids of the Bryozoa. [ Spellt also polypid .]

Polypidom noun [ Polypus + Latin domus house.] (Zoology) A coral, or corallum; also, one of the coral-like structure made by bryozoans and hydroids.

Polypier noun [ French] A polypidom.

Polypifera noun plural [ New Latin ] (Zoology) The Anthozoa.

Polypiferous adjective [ Polypus + -ferous .] (Zoology) Bearing polyps, or polypites.

Polypiparous adjective [ Polypus + Latin parere to produce.] (Zoology) Producing polyps.

Polypite noun
1. (Zoology) (a) One of the feeding zooids, or polyps, of a coral, hydroid, or siphonophore; a hydranth. See Illust. of Campanularian . (b) Sometimes, the manubrium of a hydroid medusa.

2. (Paleon.) A fossil coral.

Polyplacophora noun plural [ New Latin See Poly- , and Placophora .] (Zoology) See Placophora .

Polyplastic adjective [ Poly- + -plastic .] (Biol.) Assuming, or having the power of assuming, many forms; as, a polyplastic element which does not preserve its original shape.

Polypode noun [ Confer French polypode . See Polypody .] (Botany) A plant of the genus Polypodium ; polypody. [ Written also polypod .]

Polypode noun [ Greek ..., ..., the wood louse, milleped: confer French polypode . See Polyp .] (Zoology) An animal having many feet; a myriapod.

Polypodium noun [ Latin , from Greek ..., dim. of .... See Polyp , and confer 2d Polypode .] (Botany) A genus of plants of the order Filices or ferns. The fructifications are in uncovered roundish points, called sori , scattered over the inferior surface of the frond or leaf. There are numerous species.

Polypody noun (Botany) Any plant of the genus Polypodium .

Polypoid adjective [ Polyp + - oid .]
1. (Zoology) Like a polyp; having the nature of a polyp, but lacking the tentacles or other parts.

2. (Medicine) Resembling a polypus in appearance; having a character like that of a polypus.

Polypomedusæ noun plural [ New Latin See Polyp , and Medusa .] (Zoology) Same as Hydrozoa .

Polyporous adjective [ Poly- + porous .] Having many pores. Wright.

Polyporus noun ; plural Polypori . [ New Latin , from Greek poly`s many + ... a pore.] (Botany) A genus of fungi having the under surface full of minute pores; also, any fungus of this genus.

» Polyporus fomentarius was formerly dried and cut in slices for tinder, called amadou . P. betulinus is common in America, and forms very large thick white semicircular excrescences on birch trees. Several species of Polyporous are considered edible.

Polypous adjective [ Confer French polypeux . See Polyp .] Of the nature of a polypus; having many feet or roots, like the polypus; affected with polypus.

Polypragmatic, Polypragmatical adjective [ Poly- + pragmatic , - ical .] Overbusy; officious. [ R.] Heywood.

Polypragmaty noun [ Poly- + Greek ... business.] The state of being overbusy. [ R.]

Polyprotodonta noun plural [ New Latin , from Greek poly`s many + ... first + ..., ..., tooth.] (Zoology) A division of marsupials in which there are more fore incisor teeth in each jaw.

Polypteroidei noun plural [ New Latin See Polypterus , and -oid .] (Zoology) A suborder of existing ganoid fishes having numerous fins along the back. The bichir, or Polypterus, is the type. See Illust. under Crossopterygian .

Polypterus noun [ New Latin , from Greek poly`s many + ... feather, wing.] (Zoology) An African genus of ganoid fishes including the bichir.

Polyptoton noun [ Latin , from Greek ... having, or being in, many cases; poly`s many + ... case.] (Rhet.) A figure by which a word is repeated in different forms, cases, numbers, genders, etc., as in Tennyson's line, -- "My own heart's heart, and ownest own, farewell."