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d lamp. -- Solar microscope, a microscope consisting essentially, first, of a mirror for reflecting a beam of sunlight through the tube, which sometimes is fixed in a window shutter; secondly, of a condenser, or large lens, for converging the beam upon the object; and, thirdly, of a small lens, or magnifier, for throw…

Having the qualities of a speculum, or mirror; having a smooth, reflecting surface; as, a specular metal; a specular surface.

A reflector of polished metal, especially one used in reflecting telescopes. See Speculum metal, below.

Reflecting to the eye all the rays of the spectrum combined; not tinted with any of the proper colors or their mixtures; having the color of pure snow; snowy; -- the opposite of Ant: black or dark; as, white paper; a white skin. "Pearls white." Chaucer. White as the whitest lily on a stream. Longfellow.…

A bright golden color, reflecting more light than any other except white; the color of that part of the spectrum which is between the orange and green. "A long motley coat guarded with yellow." Shak.