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Green :: Green (superl.) Having the color of grass when fresh and growing; resembling that color of the solar spectrum which is between the yellow and the blue; verdant; emerald.

White :: White (superl.) 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 black or dark; as, white paper; a white skin..

Rainbow :: Rainbow (n.) A bow or arch exhibiting, in concentric bands, the several colors of the spectrum, and formed in the part of the hemisphere opposite to the sun by the refraction and reflection of the sun's rays in drops of falling rain..

Fluted :: Fluted (a.) Decorated with flutes; channeled; grooved; as, a fluted column; a fluted ruffle; a fluted spectrum..

Fraunhofer Lines :: Fraunhofer lines () The lines of the spectrun; especially and properly, the dark lines of the solar spectrum, so called because first accurately observed and interpreted by Fraunhofer, a German physicist..

Vampire :: Vampire (n.) Any one of several species of harmless tropical American bats of the genus Vampyrus, especially V. spectrum. These bats feed upon insects and fruit, but were formerly erroneously supposed to suck the blood of man and animals. Called also false vampire..

Caesium :: Caesium (n.) A rare alkaline metal found in mineral water; -- so called from the two characteristic blue lines in its spectrum. It was the first element discovered by spectrum analysis, and is the most strongly basic and electro-positive substance known. Symbol Cs. Atomic weight 132.6..

Scandium :: Scandium (n.) A rare metallic element of the boron group, whose existence was predicted under the provisional name ekaboron by means of the periodic law, and subsequently discovered by spectrum analysis in certain rare Scandinavian minerals (euxenite and gadolinite). It has not yet been isolated. Symbol Sc. Atomic weight 44..

Spectral :: Spectral (a.) Of or pertaining to the spectrum; made by the spectrum; as, spectral colors; spectral analysis..

Red :: Red (n.) The color of blood, or of that part of the spectrum farthest from violet, or a tint resembling these..

Aberration :: Aberration (n.) The convergence to different foci, by a lens or mirror, of rays of light emanating from one and the same point, or the deviation of such rays from a single focus; called spherical aberration, when due to the spherical form of the lens or mirror, such form giving different foci for central and marginal rays; and chromatic aberration, when due to different refrangibilities of the colored rays of the spectrum, those of each color having a distinct focus..

Gadolinium :: Gadolinium (n.) A supposed rare metallic element, with a characteristic spectrum, found associated with yttrium and other rare metals. Its individuality and properties have not yet been determined..

Microspectroscope :: Microspectroscope (n.) A spectroscope arranged for attachment to a microscope, for observation of the spectrum of light from minute portions of any substance..

Ray :: Ray (n.) One of the component elements of the total radiation from a body; any definite or limited portion of the spectrum; as, the red ray; the violet ray. See Illust. under Light..

Ultraviolet :: Ultraviolet (a.) Lying outside the visible spectrum at its violet end; -- said of rays more refrangible than the extreme violet rays of the spectrum.

Spectrology :: Spectrology (n.) The science of spectrum analysis in any or all of its relations and applications.

Violet :: Violet (n.) The color of a violet, or that part of the spectrum farthest from red. It is the most refrangible part of the spectrum..

Yellow :: Yellow (n.) 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..

Green :: Green (n.) The color of growing plants; the color of the solar spectrum intermediate between the yellow and the blue.

Bolometer :: Bolometer (n.) An instrument for measuring minute quantities of radiant heat, especially in different parts of the spectrum; -- called also actinic balance, thermic balance..

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