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The eversion or turning out of any organ, or of its inner surface; as, exstrophy of the eyelid or of the bladder.

Standing out or above any surface; protruded. That part of the teeth which is extant above the gums. Ray. A body partly immersed in a fluid and partly extant. Bentley.

To enlarge, as a surface or volume; to expand; to spread; to amplify; as, to extend metal plates by hammering or rolling them.

The outward surface or part of a thing; that which is external; outside.

Surface; superficies; externality.

ody; being without; acting from without; -- opposed to internal; as, the external form or surface of a body. Of all external things, . . . She [Fancy] forms imaginations, aery shapes. Milton.

Forced out at the surface; as, extrusive rocks; -- contrasted with intrusive.

lass of proximate principles, existing in almost all plants and appearing on the external surface of many of them in the form of exudations. Am. Cyc.

Huyghenian, eyepiece, an eyepiece consisting of two plano-convex lenses with their curved surfaces turned toward the object glass, and separated from each other by about half the sum of their focal distances, the image viewed by the eye being formed between the two lenses. it was devised by Huyghens, who applied it to…

hing; that part which presents itself to the view; especially, the front or upper part or surface; that which particularly offers itself to the view of a spectator. A mist . . . watered the whole face of the ground. Gen. ii. 6. Lake Leman wooes me with its crystal face. Byron.

A little face; a small, plane surface; as, the facets of a diamond. [Written also facette.]

of an earthen slope, sea wall, etc. , to strengthen it or to protect or adorn the exposed surface.

Groups of small shining spots on the surface of the sun which are brighter than the other parts of the photosphere. They are generally seen in the neighborhood of the dark spots, and are supposed to be elevated portions of the photosphere. Newcomb.

ange of direction or curvature; smooth; fowing; -- said of the figure of a vessel, and of surfaces, water lines, and other lines.

are generally, when married, most exemplary family men." Mayhew. -- Family of curves or surfaces (Geom.), a group of curves or surfaces derived from a single equation. -- In a family way, like one belonging to the family. "Why don't we ask him and his ladies to come over in a family way, and dine with some other pla…

d for producing artificial currents of air, by the wafting or revolving motion of a broad surface; as:

To fit; to join; to unite closely, as two pieces of wood, so as to make the surface fit together.

touch, or by contact of anything with the nerves of sensation, especially those upon the surface of the body.

h resides in the general nerves of sensation distributed over the body, especially in its surface; the sense of touch; nervous sensibility to external objects. Why was the sight To such a tender ball as the eye confined, . . . And not, as feeling, through all parts diffused Milton.

The operation of shaving or smoothing the surface of undried clay ware.