| crystal |
Heb. ghbsh (Job, xxviii, 18), qrh (Ezech, i, 22): both words signify a glassy substance; Sept. gabis; Vulg. eminentia (Job, xxviii, 18); krystallos, crystallus (Ezech., i, 22). ?This was a transparent mineral resembling glass, most probably a variety of quartz. Job places it in the same category with gold, onyx, sapphire, glass, coral, topaz, etc. The Targum renders the qrt of Ezech. by "ice"; the versions translate by "crystal". We find crystal again mentioned in Apoc. ...
출처: www.newadvent.org/cathen/14304c.htm
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| crystal |
A top-quality colorless, transparent glass resembling natural or rock crystal. Made through an ancient process that involves lead oxide. To be crystal, there must be a minimum of 10% lead. About 200 kinds of crystal are associated with jewelry.
출처: www.limogesjewelry.com/glossary.asp
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| crystal |
The mineral or synthetic covering over the watch dial. In clocks, the glass or plastic piece that covers the dial for protection.
출처: www.allamericanwatches.com/site/626101/page/182604
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| crystal |
Borderless, sometimes vegetal, banded design goes across horizontally, initiated by JB Moore at Crystal Trading Post
출처: www.collectorsguide.com/fa/fa063.shtml
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| crystallization |
An undesirable, but preventable formation of tiny crystals in the uncured nail coating that usually results from unusually cold temperatures or drafts. Liquid will actually freeze and turn into a solid before it polymerizes with the powder (polymer).
출처: www.hooked-on-nails.com/NailTerms.html
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