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Spectrally :: Spectrally (adv.) In the form or manner of a specter.

Erbium :: Erbium (n.) A rare metallic element associated with several other rare elements in the mineral gadolinite from Ytterby in Sweden. Symbol Er. Atomic weight 165.9. Its salts are rose-colored and give characteristic spectra. Its sesquioxide is called erbia.

Malmag :: Malmag (n.) The tarsius, or spectral lemur..

Spectroscope :: Spectroscope (n.) An optical instrument for forming and examining spectra (as that of solar light, or those produced by flames in which different substances are volatilized), so as to determine, from the position of the spectral lines, the composition of the substance..

Tarsius :: Tarsius (n.) A genus of nocturnal lemurine mammals having very large eyes and ears, a long tail, and very long proximal tarsal bones; -- called also malmag, spectral lemur, podji, and tarsier..

Grating :: Grating (n.) A system of close equidistant and parallel lines lines or bars, especially lines ruled on a polished surface, used for producing spectra by diffraction; -- called also diffraction grating..

Spectra :: Spectra (pl. ) of Spectru.

Phantasmal :: Phantasmal (a.) Pertaining to, of the nature of, or resembling, a phantasm; spectral; illusive..

Spectrometer :: Spectrometer (n.) A spectroscope fitted for measurements of the luminious spectra observed with it.

Apparitional :: Apparitional (a.) Pertaining to an apparition or to apparitions; spectral.

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

Spectral :: Spectral (a.) Of or pertaining to a specter; ghosty.

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