Search the Dictionary

The birth of nature. [R.] Coleridge.

one whose perimeter consists of more than four sides; any figure having many angles. Polygon of forces (Mech.), 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 represen…

Of or pertaining to a natural order of apetalous plants (Polygonaceæ), 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. Polygonal numbers, certain figurate numbers. See under Figurate.

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 nitrogenous phosphorized principle found in brain tissue. By decomposition it yields neurine, fatty acids, and other bodies.

takes lead in some great scene, enterprise, conflict, or the like. Shakespeare, the protagonist on the great of modern poetry. De Quincey.

One of the Pycnogonida.

A class of marine arthropods in which the body is small and thin, and the eight legs usually very long; -- called also Pantopoda.

A plane figure with fifteen angles, and consequently fifteen sides.

One of the four pursuivants of the English college of arms.

A dragonet, or sculpin.

y the cultivated A. majus, whose showy flowers are fancifully likened to the face of a dragon.

A primitive seminal cell, occuring in masses in the seminal tubules. It divides into a mass (spermosphere) of small cells (spermoblast), which in turn give rise to spermatozoids.

A conceptacle of certain lichens, which contains spermatia.

The growth or development of an animal or a zooid from a nonsexual germ.