noun
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transparent, colourless or slightly tinged quartz; a crystal.
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something resembling crystal in transparency, colourlessness and clarity.
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a solidified form of a substance in which the atoms or molecules are arranged in a definite pattern that is repeated regularly in three dimensions.
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the plant Barleria cristata of Acanthaceae family; purple nail dye plant.
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its flower.
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the plant Rhinacanthus nasuta ( = R. communis) of Acanthaceae family.
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a camphor crystal.
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a glow of reflected light; a lustre.