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Good fusible sands are readily attacked and liquefied by submitting to heat with oxides of lead, alkaline salts, or any other alkaline or metallic flux; hence their extreme utility in glass, enamels, and all other vitrescent mixtures.

Associated words: vitrifacture, vitrifaction, vitrics, vitrify, vitriform, vitrified, vitrifiable, vitric, devitrify, devitrification, glazier, glazing, crizzel, invitrifiable vitreous, vitrescent, vitrescence, hyalography. glasses, n. pl. spectacles, eye-glasses, pince-nez, goggles, blinkers, barnacles, lorgnette, louchettes. glassy, a. vitreous, crystalline, transparent, crystal.

YOU from deep cauldrons and unmeasured caves 150 Blow flaming airs, or pour vitrescent waves;      O'er shining oceans ray volcanic light,      Or hurl innocuous embers to the night.—

This idea of the production of nodules of flint in chalk-beds is countenanced from the iron which generally appears as these flints become decomposed by the air; which by uniting with the iron in their composition reduces it from a vitrescent state to that of calx, and thus renders it visible.

YOU disjoin, unite, condense, expand,      And give new wonders to the Chemist's hand; 225 On tepid clouds of rising steam aspire,      Or fix in sulphur all it's solid fire;      With boundless spring elastic airs unfold,      Or fill the fine vacuities of gold;      With sudden flash vitrescent sparks reveal, 230 By fierce collision from the flint and steel;      Or mark with shining letter KUNKEL's name      In the pale Phosphor's self-consuming flame.