Polycystine (n.) One of the Polycystina.
Polycyttaria (n. pl.) A division of Radiolaria. It includes those having one more central capsules.
Polydactylism (n.) The possession of more that the normal number of digits.
Polydipsia (n.) Excessive and constant thirst occasioned by disease.
Polyedron (n.) See Polyhedron.
Polyedrous (a.) See Polyhedral.
Polyeidic (a.) Passing through several distinct larval forms; -- having several distinct kinds of young.
Polyeidism (n.) The quality or state of being polyeidic.
Polyembryonate (a.) Consisting of, or having, several embryos; polyembryonic.
Polyembryonic (a.) Polyembryonate.
Polyembryony (n.) The production of two or more embryos in one seed, due either to the existence and fertilization of more than one embryonic sac or to the origination of embryos outside of the embryonic sac.
Polyfoil (n.) Same as Multifoil.
Polygala (n.) A genus of bitter herbs or shrubs having eight stamens and a two-celled ovary (as the Seneca snakeroot, the flowering wintergreen, etc.); milkwort.
Polygalaceous (a.) Of or pertaining to a natural order of plants (Polygalaceae) of which Polygala is the type.
Polygalic (a.) Of, pertaining to, or obtained from, Polygala; specifically, designating an acrid glucoside (called polygalic acid, senegin, etc.), resembling, or possibly identical with, saponin.
Polygamia (n. pl.) A Linnaean class of plants, characterized by having both hermaphrodite and unisexual flowers on the same plant.
Polygamia (n. pl.) A name given by Linnaeus to file orders of plants having syngenesious flowers.
Polygamian (a.) Polygamous.
Polygamist (a.) One who practices polygamy, or maintains its lawfulness.
Polygamize (v. i.) To practice polygamy; to marry several wives.
Polygamous (a.) Of or pertaining to polygamy; characterized by, or involving, polygamy; having a plurality of wives; as, polygamous marriages; -- opposed to monogamous.
Polygamous (a.) Pairing with more than one female.
Polygamous (a.) Belonging to the Polygamia; bearing both hermaphrodite and unisexual flowers on the same plant.
Polygamy (n.) The having of a plurality of wives or husbands at the same time; usually, the marriage of a man to more than one woman, or the practice of having several wives, at the same time; -- opposed to monogamy; as, the nations of the East practiced polygamy. See the Note under Bigamy, and cf. Polyandry.
Polygamy (n.) The state or habit of having more than one mate.
Polygamy (n.) The condition or state of a plant which bears both perfect and unisexual flowers.
Polygastrian (n.) One of the Polygastrica.
Polygastric (a.) Having several bellies; -- applied to muscles which are made up of several bellies separated by short tendons.
Polygastric (a.) Pertaining to the Polygastrica.
Polygastric (n.) One of the Polygastrica.
Polygastrica (n. pl.) The Infusoria.
Polygenesis (n.) Alt. of Polygeny
Polygeny (n.) The theory that living organisms originate in cells or embryos of different kinds, instead of coming from a single cell; -- opposed to monogenesis.
Polygenetic (a.) Having many distinct sources; originating at various places or times.
Polygenetic (a.) Of or pertaining to polygenesis; polyphyletic.
Polygenic (a.) Of or relating to polygeny; polygenetic.
Polygenism (n.) The doctrine that animals of the same species have sprung from more than one original pair.
Polygenist (n.) One who maintains that animals of the same species have sprung from more than one original pair; -- opposed to monogenist.
Polygenous (a.) Consisting of, or containing, many kinds; as, a polygenous mountain.
Polyglot (a.) Containing, or made up, of, several languages; as, a polyglot lexicon, Bible.
Polyglot (a.) Versed in, or speaking, many languages.
Polyglot (n.) One who speaks several languages.
Polyglot (n.) A book containing several versions of the same text, or containing the same subject matter in several languages; esp., the Scriptures in several languages.
Polyglottous (a.) Speaking many languages; polyglot.
Polygon (n.) 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.
Polygonaceous (a.) Of or pertaining to a natural order of apetalous plants (Polygonaceae), 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.
Polygonal (a.) Having many angles.
Polygoneutic (a.) Having two or more broods in a season.
Polygonometry (n.) The doctrine of polygons; an extension of some of the principles of trigonometry to the case of polygons.
Polygonous (a.) Polygonal.
Polygonum (n.) A genus of plants embracing a large number of species, including bistort, knotweed, smartweed, etc.
Polygony (n.) Any plant of the genus Polygonum.
Polygordius (n.) 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.
Polygram (n.) A figure consisting of many lines.
Polygraph (n.) An instrument for multiplying copies of a writing; a manifold writer; a copying machine.
Polygraph (n.) In bibliography, a collection of different works, either by one or several authors.
Polygraph (n.) An instrument for detecting deceptive statements by a subject, by measuring several physiological states of the subject, such as pulse, heartbeat, and sweating. The instrument records these parameters on a strip of paper while the subject is asked questions designed to elicit emotional responses when the subject tries to deceive the interrogator. Also called lie detector
Polygraphic (a.) Alt. of Polygraphical
Polygraphical (a.) Pertaining to, or employed in, polygraphy; as, a polygraphic instrument.
Polygraphical (a.) Done with a polygraph; as, a polygraphic copy.
Polygraphy (n.) Much writing; writing of many books.
Polygraphy (n.) The art of writing in various ciphers, and of deciphering the same.
Polygraphy (n.) The art or practice of using a polygraph.
Polygrooved (a.) Having many grooves; as, a polygrooved rifle or gun (referring to the rifling).
Polygyn (n.) A plant of the order Polygynia.
Polygynia (n. pl.) A Linnaean order of plants having many styles.
Polygynian (a.) Alt. of Polygynous
Polygynous (a.) Having many styles; belonging to the order Polygynia.
Polygynist (n.) One who practices or advocates polygyny.
Polygyny (n.) The state or practice of having several wives at the same time; marriage to several wives.
Polyhalite (n.) 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.
Polyhedral (a.) Alt. of Polyhedrical
Polyhedrical (a.) Having many sides, as a solid body.
Polyhedrons (pl. ) of Polyhedron
Polyhedra (pl. ) of Polyhedron
Polyhedron (n.) A body or solid contained by many sides or planes.
Polyhedron (n.) A polyscope, or multiplying glass.
Polyhedrous (a.) Polyhedral.
Polyhistor (n.) One versed in various learning.
Polyhymnia (n.) The Muse of lyric poetry.
Polyiodide (n.) A iodide having more than one atom of iodine in the molecule.
Polylogy (n.) Talkativeness.
Polyloquent (a.) Garrulous; loquacious.
Polymastism (n.) The condition of having more than two mammae, or breasts.
Polymathic (a.) Pertaining to polymathy; acquainted with many branches of learning.
Polymathist (n.) One versed in many sciences; a person of various learning.
Polymathy (n.) The knowledge of many arts and sciences; variety of learning.
Polymeniscous (a.) Having numerous facets; -- said of the compound eyes of insects and crustaceans.
Polymer (n.) Any one of two or more substances related to each other by polymerism; specifically, a substance produced from another substance by chemical polymerization.
Polymeric (a.) 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.
Polymerism (n.) The state, quality, or relation of two or more polymeric substances.
Polymerism (n.) The act or process of forming polymers.
Polymerization (n.) The act or process of changing to a polymeric form; the condition resulting from such change.
Polymerize (v. t.) To cause polymerization of; to produce polymers from; to increase the molecular weight of, without changing the atomic proportions; thus, certain acids polymerize aldehyde.
Polymerize (v. i.) To change into another substance having the same atomic proportions, but a higher molecular weight; to undergo polymerization; thus, aldehyde polymerizes in forming paraldehyde.
Polymerous (a.) Having many parts or members in each set.
Polymerous (a.) Polymeric.
Polymnia (n.) See Polyhymnia.
Polymnite (n.) A stone marked with dendrites and black lines, and so disposed as to represent rivers, marshes, etc.
Polymorph (n.) A substance capable of crystallizing in several distinct forms; also, any one of these forms. Cf. Allomorph.