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above the normal rate of interest and wages accruing to a producer on account of some monopoly (temporary or permanent) of the means or materials of production; -- called also Producer's rent.

An American butterfly (Polygonia, or Vanessa, Progne). It is orange and black above, grayish beneath, with an L-shaped silver mark on the hind wings. Called also gray comma.

A fungus (Polyporus fomentarius, etc.) sometimes dried for tinder; agaric.

A solid body standing on a triangular, square, or polygonal base, and terminating in a point at the top; especially, a structure or edifice of this shape.

Polytungstic. See Metatungstic.

A polynomial of four terms connected by the signs plus or minus.

imes radiating spicules. The pseudopodia project from the body like rays. It includes the polycystines. See Polycystina.

which have the petals cut into narrow lobes. -- Ragged sailor (Bot.), prince's feather (Polygonum orientale). -- Ragged school, a free school for poor children, where they are taught and in part fed; -- a name given at first because they came in their common clothing. [Eng.] -- Rag"ged*ly, adv. -- Rag"ged*ness, n.…

To enter anew or again. Reëntering angle, an angle of a polygon pointing inward, as a, in the cut. -- Reëntering polygon, a polygon having one or more reëntering angles.

Any kind of government monopoly (tobacco, salt, etc.) used chiefly as a means of taxation. Such monopolies are largely employed in Austria, Italy, France, and Spain.

A renewed of a grant; as, the regrant of a monopoly.

Same as Isometric. Regular polygon (Geom.), a plane polygon which is both equilateral and equiangular. -- Regular polyhedron (Geom.), a polyhedron whose faces are equal regular polygons. There are five regular polyhedrons, -- the tetrahedron, the hexahedron, or cube, the octahedron, the dodecahedron, and the icosahedr…

A white crystalline hydrocarbon, polymeric with benzene. It is extracted from pine tar, and is also found in certain fossil resins.

A bird having small polygonal scales covering the tarsi.

The name of several large perennial herbs of the genus Rheum and order Polygonaceæ.

nies of special supplication. -- Rogation flower (Bot.), a European species of milkwort (Polygala vulgaris); -- so called from its former use for garlands in Rogation week. Dr. Prior. -- Rogation week, the second week before Whitsunday, in which the Rogation days occur.

ariable in their colors, on the neck, and yellowish naked tubercles on the face. They are polygamous, and are noted for their pugnacity in the breeding season. The female is called reeve, or rheeve.

A West Indian plant (Alternanthera polygonoides) somewhat resembling burstwort.

in a leaping position; as, a lion salient. Salient angle. See Salient, a., 4. -- Salient polygon (Geom.), a polygon all of whose angles are salient. -- Salient polyhedron (Geom.), a polyhedron all of whose solid angles are salient.

The highly perfumed yellowish heartwood of an East Indian and Polynesian tree (Santalum album), and of several other trees of the same genus, as the Hawaiian Santalum Freycinetianum and S. pyrularium, the Australian S. latifolium, etc. The name is extended to several other kinds of fragrant wood.