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The regular form which a substance tends to assume in
solidifying, through the inherent power of cohesive attraction. It is
bounded by plane surfaces, symmetrically arranged, and each species of
crystal has fixed axial ratios. See Crystallization. |
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The material of quartz, in crystallization transparent or
nearly so, and either colorless or slightly tinged with gray, or the
like; -- called also rock crystal. Ornamental vessels are made of it.
Cf. Smoky quartz, Pebble; also Brazilian pebble, under Brazilian. |
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A species of glass, more perfect in its composition and
manufacture than common glass, and often cut into ornamental forms. See
Flint glass. |
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The glass over the dial of a watch case. |
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Anything resembling crystal, as clear water, etc. |
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Consisting of, or like, crystal; clear; transparent;
lucid; pellucid; crystalline. |
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