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 names or terms; multinominal; as, the polynomial theorem.

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.

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.

Having the sepals separate from each other.

Of or pertaining to compounds formed by the condensation of two or more molecules of silicic acid.

A machine consisting of many pulleys; specifically, an apparatus formerly used for reducing luxations.

Containing many seeds; as, a polyspermous capsule or berry.

Fullness of sperm, or seed; the passage of more than one spermatozoon into the vitellus in the impregnation of the ovum.

Containing many spores.

A division of trematode worms having more two suckers. Called also Polystomea and Polystoma.

An animal having many mouths; -- applied to Protozoa.

Having many columns; -- said of a building, especially of an interior part or court; as, a polystyle hall. A polystyle hall or edifice.

A sulphide having more than one atom of sulphur in the molecule; -- contrasted with monosulphide.

A polysulphide.

Pertaining to a polysyllable; containing, or characterized by, polysyllables; consisting of more than three syllables.

Polysyllabism.

Polysyllabism.

The quality or state of being polysyllabic.

A word of many syllables, or consisting of more syllables than three; -- words of less than four syllables being called monosyllables, dissyllables, and trisyllables.

Characterized by polysyndeton, or the multiplication of conjunctions.

A figure by which the conjunction is often repeated, as in the sentence, /We have ships and men and money and stores./ Opposed to asyndeton.

The act or process of combining many separate elements into a whole.

Characterized by polysynthesis; agglutinative.

Polysynthesis.

Comprehending, or relating to, many arts and sciences; -- applied particularly to schools in which many branches of art and science are taught with especial reference to their practical application; as, a polytechnic institute; also to exhibitions of machinery and industrial products.

Polytechnic.

The science of the mechanic arts.

A division of Foraminifera including those having a manychambered shell.

Many-chambered; -- applied to shells of Foraminifera and cephalopods. See Illust. of Nautilus.

The doctrine of, or belief in, a plurality of gods.

One who believes in, or maintains the doctrine of, a plurality of gods.

Of or pertaining to polytheism; characterized by polytheism; professing or advocating polytheism; as, polytheistic worship; a polytheistic author, or nation.

To adhere to, advocate, or inculcate, the doctrine of polytheism.

The condition of having more than two teats, or nipples.

Bearing fruit repeatedly, as most perennial plants; polycarpic.

Subdivided into many distinct subordinate parts, which, however, not being jointed to the petiole, are not true leaflets; -- said of leaves.

A division into many members.

A salt of polytungstic acid.

Containing several tungsten atoms or radicals; as, polytungstic acid.