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One of a peculiar kind of spines covering the surface of certain starfishes. They are pillarlike, with a flattened summit which is covered with minute spinules or granules. See Illustration in Appendix.

To grain (leather) so as to produce a surface covered with small rounded prominences.

Of or pertaining to a pedal; having pedals. Pedal curve or surface (Geom.), the curve or surface which is the locus of the feet of perpendiculars let fall from a fixed point upon the straight lines tangent to a given curve, or upon the planes tangent to a given surface. -- Pedal note (Mus.), the note which is held or…

Of or pertaining to the ocean; -- applied especially to animals that live at the surface of the ocean, away from the coast.

A thin film formed on the surface of an evaporating solution.

The under surface of the foot.

Shield-shaped; scutiform; (Bot.) having the stem or support attached to the lower surface, instead of at the base or margin; -- said of a leaf or other organ. -- Pel"tate*ly, adv.

A land surface reduced by erosion to the general condition of a plain, but not wholly devoid of hills; a base-level plain.

The act of tapping or striking the surface of the body in order to learn the condition of the parts beneath by the sound emitted or the sensation imparted to the fingers. Percussion is said to be immediate if the blow is directly upon the body; if some interventing substance, as a pleximeter, is, used, it is called med…

rument; to make a hole or holes through by boring or piercing; to pierce or penetrate the surface of. Bacon.

ibrous connective tissue which closely invests cartilage, except where covering articular surfaces.

rane of fibrous connective tissue which closely invests all bones except at the articular surfaces.

The outside or superficial portions of a body; the surface.

At right angles to a given line or surface; as, the line ad is perpendicular to the line bc. Perpendicular style (Arch.), a name given to the latest variety of English Gothic architecture, which prevailed from the close of the 14th century to the early part of the 16th; -- probably so called from the vertical style of…

the art, or in accordance with the laws, of perspective. Perspective plane, the plane or surface on which the objects are delineated, or the picture drawn; the plane of projection; -- distinguished from the ground plane, which is that on which the objects are represented as standing. When this plane is oblique to the…

One of the filaments on the inner surface of the gastric cavity of certain jellyfishes.

lly. It is valuable as a chemical reagent, and is used in the composition of the friction surface on which safety matches are ignited. -- Solar phosphori (Chem.), phosphorescent substances which shine in the dark after exposure to the sunlight or other intense light.

A disproportionately rapid growth of the upper surface of dorsiventral organs, such as leaves, through the stimulus of exposure to light. Encyc. Brit.

Pertaining to, or designating, any photographic process in which a printing surface is obtained without the intervention of hand engraving.

A printing surface in relief, obtained by photographic means and subsequent manipulations. Knight.