crystal
crys-tal
noun
High-quality, clear glass, often cut, used for decorative items.
"We polished the delicate crystal glasses for dinner."
noun
A transparent mineral substance, often with a regular geometric shape.
"She wore a necklace with a beautiful crystal pendant."
adjective
Extremely clear and transparent, like crystal.
"The lake water was crystal clear."
Thesaurus
Synonyms: vitreous silica, quartz glass, quartz, lechatelierite, watch glass, watch crystal, crystallization