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Thrown back after striking a surface; as, reflected light, heat, sound, etc.

Whiteness. Specifically: (Astron.) The ratio which the light reflected from an unpolished surface bears to the total light falling upon that surface.

Reflecting of reflected; as, an anacamptic sound (and echo).

The science of reflected light, now called catoptrics.

of an image on a plane or curved surface, which, when viewed from a certain point, or as reflected from a curved mirror or through a polyhedron, appears regular and in proportion; a deformation of an image.

An optical property of some crystals which exhibit a star- shaped by reflected light, as star sapphire, or by transmitted light, as some mica.

e of a room, for the display of plate, china, etc., a sideboard. Not when a gilt buffet's reflected pride Turns you from sound philosophy aside. Pope.

That part of acoustics which treats of reflected sounds or echoes See Acoustics. Hutton.

That part of optics which explants the properties and phenomena of reflected light, and particularly that which is reflected from mirrors or polished bodies; --- formerly caled anacamptics.

; sharp; as, a caustic remark. Caustic curve (Optics), a curve to which the ray of light, reflected or refracted by another curve, are tangents, the reflecting or refracting curve and the luminous point being in one plane. -- Caustic lime. See under Lime. -- Caustic potash, Caustic soda (Chem.), the solid hydroxides…

A slightly convex mirror, commonly of black glass, used as a toy for viewing the reflected landscape.

ly two concave mirrors so placed that rays proceeding from the principal focus of one and reflected in a parallel beam are received upon the other and brought to the principal focus. -- Conjugate point (Geom.), an acnode. See Acnode, and Double point. -- Self-conjugate triangle (Conic Sections), a triangle each of wh…

An exhibition in which a series of views in various parts of the world is seen reflected by mirrors through a series of lenses, with such illumination, etc., as will make the views most closely represent reality.

Critical angle (Optics), that angle of incidence of a luminous ray at which it is wholly reflected, and no portion of it transmitted. The sine of this angle is the reciprocal of the refractive index of the medium. -- Critical philosophy, the metaphysical system of Kant; -- so called from his most important work, the…

ly shapes Will dazzle now the earthly, with their blaze Insufferably bright. Milton. An unreflected light did never yet Dazzle the vision feminine. Sir H. Taylor.

ass, and esp. through different lenses; -- distinguished from catoptrics, which refers to reflected light.

arge opening. By a combination of transparent and opaque painting, and of transmitted and reflected light, and by contrivances such as screens and shutters, much diversity of scenic effect is produced.

elves to receive dishes and cooking utensils. The pewter plates on the dresser Caught and reflected the flame, as shields of armies the sunshine. Longfellow.

The sunlight reflected from the earth to the moon, by which we see faintly, when the moon is near the sun (either before or after new moon), that part of the moon's disk unillumined by direct sunlight, or "the old moon in the arms of the new."

A sound reflected from an opposing surface and repeated to the ear of a listener; repercussion of sound; repetition of a sound. The babbling echo mocks the hounds. Shak. The woods shall answer, and the echo ring. Pope.