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 sugar in the candy formed tiny, sparkling crystals. "materialsubstancegeologychemistryphysicsmineralscienceChat with AIVocabulary GamePractice Reading
noun🔗ShareA piece of glimmering, shining mineral resembling ice or glass."The geology student admired the collection of colorful crystals in the museum display case. "mineralmaterialgeologyappearancesubstanceChat with AIVocabulary GamePractice Reading
noun🔗ShareA fine type of glassware, or the material used to make it."We used the fancy crystals for the special occasion dinner. "materialsubstanceChat with AIVocabulary GamePractice Reading
noun🔗ShareCrystal meth: methamphetamine hydrochloride."The police found a bag of crystals during the traffic stop, leading to an arrest for drug possession. "substancechemistrymedicineChat with AIVocabulary GamePractice Reading
noun🔗ShareThe glass over the dial of a watch case."The watch's crystals protected the delicate numbers from scratches. "materialpartdevicetimetechnologyChat with AIVocabulary GamePractice Reading