| polyglandular | Denoting several glands or their secretions. Synonym: multiglandular, polyglandular. (05 Mar 2000) |
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| polyglutamic acid | <chemical> A peptide that is a homopolymer of glutamic acid. Chemical name: L-Glutamic acid, homopolymer (12 Dec 1998) |
| polyglutamyl synthetase | <enzyme> Requires ATP and mg++, but no trna Registry number: EC 6.3.2.- Synonym: polyglutamyl synthetase complex (26 Jun 1999) |
| polyglycerol phosphate polymerase | <enzyme> Involved in biosynthesis of teichoic acids Registry number: EC 2.7.8.- (26 Jun 1999) |
| polyglycolic acid | <chemical> Poly(oxy(1-oxo-1,2-ethanediyl)). A biocompatible polymer used as a surgical suture material. Chemical name: Poly(oxy(1-oxo-1,2-ethanediyl)) (12 Dec 1998) |
| polygnathus | Unequal conjoined twins in which the parasite is attached to the jaw of the autosite. See: conjoined twins. Origin: poly-+ G. Gnathos, jaw (05 Mar 2000) |
| polygon | <geometry> A plane figure having many angles, and consequently many sides; especially, one whose perimeter consists of more than four sides; any figure having many angles. <mechanics> Polygon of forces, a polygonal figure, the sides of which, taken successively, represent, in length and direction, several forces acting simultaneously upon one point, so that the side necessary to complete the figure represents the resultant of those forces. Cf. Parallelogram of forces, under Parallelogram. Origin: Gr. Polygonal; many + angle: cf. F. Polygone. Source: Websters Dictionary (01 Mar 1998) |
| polygonaceae | The only family of the buckwheat order of dicotyledonous flowering plants. It has 40 genera of herbs, shrubs, and trees. (12 Dec 1998) |
| polygonaceous | <botany> 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. See: Polygonum. Source: Websters Dictionary (01 Mar 1998) |
| polygoneutic | <zoology> Having two or more broods in a season. Origin: Poly- + Gr. Offspring. Source: Websters Dictionary (01 Mar 1998) |
| polygonum | <botany> A genus of plants embracing a large number of species, including bistort, knotweed, smartweed, etc. Origin: NL, fr. Gr. A kind of plant; many + the knee, a joint of a plant. So called in allusion to the numerous joints. Source: Websters Dictionary (01 Mar 1998) |
| polygony | <botany> Any plant of the genus Polygonum. Source: Websters Dictionary (01 Mar 1998) |
| polygordius | <zoology> 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. Origin: NL. See Poly-, and Gordius. Source: Websters Dictionary (01 Mar 1998) |
| polygraph | 1. An instrument for multiplying copies of a writing; a manifold writer; a copying machine. 2. In bibliography, a collection of different works, either by one or several authors. Origin: Gr. Writing much; much, many + to write: cf. F. Polygraphe. Source: Websters Dictionary (01 Mar 1998) |
| polygraphic | 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) |