One who maintains that animals of the same species have sprung from more than one original pair; -- opposed to monogenist.

Consisting of, or containing, many kinds; as, a polygenous mountain.

The theory that living organisms originate in cells or embryos of different kinds, instead of coming from a single cell; -- opposed to monogenesis.

One who speaks several languages.

Speaking many languages; polyglot.

A plane figure having many angles, and consequently many sides; esp., one whose perimeter consists of more than four sides; any figure having many angles.

Of or pertaining to a natural order of apetalous plants (Polygonace/), of which the knotweeds (species of Polygonum) are the type, and which includes also the docks (Rumex), the buckwheat, rhubarb, sea grape (Coccoloba), and several other genera.

Having many angles.

Having two or more broods in a season.

The doctrine of polygons; an extension of some of the principles of trigonometry to the case of polygons.

Polygonal.

A genus of plants embracing a large number of species, including bistort, knotweed, smartweed, etc.

Any plant of the genus Polygonum.

A genus of marine annelids, believed to be an ancient or ancestral type. It is remarkable for its simplicity of structure and want of parapodia. It is the type of the order Archiannelida, or Gymnotoma. See Loeven's larva.

A figure consisting of many lines.

An instrument for multiplying copies of a writing; a manifold writer; a copying machine.

Pertaining to, or employed in, polygraphy; as, a polygraphic instrument.

Much writing; writing of many books.

Having many grooves; as, a polygrooved rifle or gun (referring to the rifling).

A plant of the order Polygynia.

A Linn/an order of plants having many styles.

One who practices or advocates polygyny.

Having many styles; belonging to the order Polygynia.

The state or practice of having several wives at the same time; marriage to several wives.

A mineral usually occurring in fibrous masses, of a brick-red color, being tinged with iron, and consisting chiefly of the sulphates of lime, magnesia, and soda.

Having many sides, as a solid body.

A body or solid contained by many sides or planes.

Polyhedral.

One versed in various learning.

The Muse of lyric poetry.

A iodide having more than one atom of iodine in the molecule.

Talkativeness.

Garrulous; loquacious.

The condition of having more than two mamm/, or breasts.

Pertaining to polymathy; acquainted with many branches of learning.

One versed in many sciences; a person of various learning.

The knowledge of many arts and sciences; variety of learning.

Having numerous facets; -- said of the compound eyes of insects and crustaceans.

Any one of two or more substances related to each other by polymerism; specifically, a substance produced from another substance by chemical polymerization.

Having the same percentage composition (that is, having the same elements united in the same proportion by weight), but different molecular weights; -- often used with with; thus, cyanic acid (CNOH), fulminic acid (C2N2O2H2), and cyanuric acid (C3N3O3H3), are polymeric with each other.

The state, quality, or relation of two or more polymeric substances. The act or process of forming polymers.

The act or process of changing to a polymeric form; the condition resulting from such change.

To change into another substance having the same atomic proportions, but a higher molecular weight; to undergo polymerization; thus, aldehyde polymerizes in forming paraldehyde.

Having many parts or members in each set.

See Polyhymnia.

A stone marked with dendrites and black lines, and so disposed as to represent rivers, marshes, etc.

A substance capable of crystallizing in several distinct forms; also, any one of these forms. Cf. Allomorph.

Polymorphous.

Same as Pleomorphism.

The assumption of several structural forms without a corresponding difference in function; -- said of sponges, etc.

Having, or assuming, a variety of forms, characters, or styles; as, a polymorphous author.

Existence in many forms; polymorphism.

Same as Oscines.

Polymyoid.

Having numerous vocal muscles; of or pertaining to the Polymyod/.

Any one of numerous species of tropical food fishes of the family Polynemid/. They have several slender filaments, often very long, below the pectoral fin. Some of them yield isinglass of good quality. Called also threadfish.

Of or pertaining to the polynemes, or the family Polynemid/.

Of or pertaining to Polynesia (the islands of the eastern and central Pacific), or to the Polynesians.

The race of men native in Polynesia.

The open sea supposed to surround the north pole.

Containing many nuclei.

Having more than one nucleolus.

Having many eyes.

Having many names or titles; polyonymous.

The use of a variety of names for the same object.

An object which has a variety of names.

Polyonomous.

A glass through which objects appear multiplied, but diminished in size.

A view of many objects; also, a sort of panorama with dissolving views.

One of the feeding or nutritive zooids of a hydroid or coral. One of the Anthozoa. Same as Anthozoa. See Anthozoa, Madreporaria, Hydroid.

Producing or bearing a great number; bringing forth many.

Same as Polypidom.

See Polyp.

Of or pertaining to a polyp, or polyps.

A coloring matter found in many simple Anthozoa and some hydroids.

Consisting of, or having, several or many separate petals; as, a polypetalous corolla, flower, or plant.

Eating, or subsisting on, many kinds of food; as, polyphagous animals.

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

The act or practice of prescribing too many medicines. A prescription made up of many medicines or ingredients.

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.

A machine generating more than one pressure wave; a multiphaser.

A very large American moth (Telea polyphemus) belonging to the Silkworm family (Bombycid/). 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.

A character or vocal sign representing more than one sound, as read, which is pronounced r/d or r/d.

Having a multiplicity of sounds.

Polyphony.

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

Same as Polyphonic.

Multiplicity of sounds, as in the reverberations of an echo.

A receptacle which bears many ovaries.

Pertaining to or designating arc lamps so constructed that more than one can be used on a single circuit.

Pertaining to, or characterized by, descent from more than one root form, or from many different root forms; polygenetic; -- opposed to monophyletic.

Many-leaved; as, a polyphyllous calyx or perianth.

The Anthozoa.

One of the ordinary zooids of the Bryozoa.

A coral, or corallum; also, one of the coral-like structure made by bryozoans and hydroids.

A polypidom.

The Anthozoa.

Bearing polyps, or polypites.

Producing polyps.

One of the feeding zooids, or polyps, of a coral, hydroid, or siphonophore; a hydranth. See Illust. of Campanularian. Sometimes, the manubrium of a hydroid medusa.

See Placophora.

Assuming, or having the power of assuming, many forms; as, a polyplastic element which does not preserve its original shape.

An animal having many feet; a myriapod.

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.

Any plant of the genus Polypodium.

Like a polyp; having the nature of a polyp, but lacking the tentacles or other parts.

Same as Hydrozoa.

Having many pores.

A genus of fungi having the under surface full of minute pores; also, any fungus of this genus.

Of the nature of a polypus; having many feet or roots, like the polypus; affected with polypus.

Overbusy; officious.

The state of being overbusy.

A division of marsupials in which there are more fore incisor teeth in each jaw.

A suborder of existing ganoid fishes having numerous fins along the back. The bichir, or Polypterus, is the type. See Illust. under Crossopterygian.

An African genus of ganoid fishes including the bichir.

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./

Same as Polyp.

Having numerous roots, or rootlets.

Having, or existing in, many different forms or fashions; multiform.

A glass which makes a single object appear as many; a multiplying glass.