noun🔗ShareA solid composed of an array of atoms or molecules possessing long-range order and arranged in a pattern which is periodic in three dimensions."The scientist studied the crystal structure of the salt. "materialsubstancechemistrygeologyphysicsmineralChat with AIVocabulary GamePractice Reading
noun🔗ShareA piece of glimmering, shining mineral resembling ice or glass."The geologist carefully examined the beautiful crystal, admiring its icy sparkle. "mineralmaterialsubstancegeologyChat with AIVocabulary GamePractice Reading
noun🔗ShareA fine type of glassware, or the material used to make it."My grandmother's collection of crystal glasses is beautiful. "materialsubstanceutensilChat with AIVocabulary GamePractice Reading
noun🔗ShareCrystal meth: methamphetamine hydrochloride."The lab report mentioned that the suspect possessed crystal. "substancechemistrymedicineChat with AIVocabulary GamePractice Reading
noun🔗ShareThe glass over the dial of a watch case."The watch's crystal was scratched, making it difficult to read the time. "materialpartmachineitemChat with AIVocabulary GamePractice Reading
adjective🔗ShareVery clear.""Do I make myself clear?" / "Crystal.""qualityappearanceChat with AIVocabulary GamePractice Reading
