noun Download 🔗Share A solid composed of an array of atoms or molecules possessing long-range order and arranged in a pattern which is periodic in three dimensions. Examples : "The sugar in the candy formed tiny, sparkling crystals. " material substance geology chemistry physics mineral science Chat with AIVocabulary GamePractice Reading
noun Download 🔗Share A piece of glimmering, shining mineral resembling ice or glass. Examples : "The geology student admired the collection of colorful crystals in the museum display case. " mineral material geology appearance substance Chat with AIVocabulary GamePractice Reading
noun Download 🔗Share A fine type of glassware, or the material used to make it. Examples : "We used the fancy crystals for the special occasion dinner. " material substance Chat with AIVocabulary GamePractice Reading
noun Download 🔗Share Crystal meth: methamphetamine hydrochloride. Examples : "The police found a bag of crystals during the traffic stop, leading to an arrest for drug possession. " substance chemistry medicine Chat with AIVocabulary GamePractice Reading
noun Download 🔗Share The glass over the dial of a watch case. Examples : "The watch's crystals protected the delicate numbers from scratches. " material part device time technology Chat with AIVocabulary GamePractice Reading