| polygraphical | Pertaining to, or employed in, polygraphy; as, a polygraphic instrument. 2. Done with a polygraph; as, a polygraphic copy. Origin: Cf. F. Polygraphique. Source: Websters Dictionary (01 Mar 1998) |
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| polygraphy | 1. Much writing; writing of many books. 2. The art of writing in various ciphers, and of deciphering the same. 3. The art or practice of using a polygraph. Origin: Gr.; much + to write: cf. F. Polygraphie. Source: Websters Dictionary (01 Mar 1998) |
| polygyn | <botany> A plant of the order Polygynia. Origin: Cf. F. Polygynae. See Polygyny. Source: Websters Dictionary (01 Mar 1998) |
| polygynae | <zoology> A form of insect social behaviour where there are many reproducing female members in a nest, hive, or group. (09 Oct 1997) |
| polygynia | <botany> A Linnaean order of plants having many styles. Origin: NL. See Polygyny. Source: Websters Dictionary (01 Mar 1998) |
| polygynous | <botany> Having many styles; belonging to the order Polygynia. Source: Websters Dictionary (01 Mar 1998) |
| polygyny | <botany> Describes the condition of a plant whose flowers have several pistils or styles. <psychology> Describes the practice of a man having several wives at once. (14 Oct 1997) |
| polygyria | Condition in which the brain has an excessive number of convolutions. Origin: poly-+ G. Gyros, circle, gyre (05 Mar 2000) |
| polyhalite | <chemical> A mineral usually occurring in fibrous masses, of a brick-red colour, being tinged with iron, and consisting chiefly of the sulphates of lime, magnesia, and soda. Origin: Poly- + Gr. Salt. Source: Websters Dictionary (01 Mar 1998) |
| polyhedral | Having many sides or facets. Origin: G. Polyedros, many-sided, fr. Poly-+ G. Hedra, seat, facet (05 Mar 2000) |
| polyhedral body | An inclusion body associated with replication of certain insect viruses. (05 Mar 2000) |
| polyhedrical | <geometry> Having many sides, as a solid body. Polyhedral angle, an angle bounded by three or more plane angles having a common vertex. See: Polyhedron. Source: Websters Dictionary (01 Mar 1998) |
| polyhedron | Origin: NL, fr. Gr. With many seats or sides; many + a seat or side: cf. F. Polyedre. 1. <geometry> A body or solid contained by many sides or planes. 2. <optics> A polyscope, or multiplying glass. Source: Websters Dictionary (01 Mar 1998) |
| polyhemoglobin-superoxide dismutase-catalase | <chemical> Intermolecularly cross-linked haemoglobin, superoxide dismutase and catalase; prevents methemoglobin formation and iron release Pharmacological action: free radical scavengers Synonym: polyhb-sod-catalase (26 Jun 1999) |
| polyhexoses | Polysaccharides with the general formula (C6H10O5)x which, on hydrolysis, yield hexoses; included are glucosans (glucans), mannans, galactans, and fructosans (fructans). Synonym: polyhexoses. (05 Mar 2000) |