crystal

Universal Words noun 1 [C] a small piece of a substance with many even sides, that is formed naturally when the substance becomes solid: ice / salt crystals * a crystal structure 2 [U,C] a clear mineral, such as QUARTZ, used in making jewellery and ornaments: a pair of crystal earrings 3 [U] glass of very high quality: a crystal chandelier / vase * Every table had been set with fine china and crystal. 4 [C] (AmE) a piece of glass or plastic that covers the face of a watch seealsoLIQUIDCRYSTALDISPLAY