noun Download 🔗Share A chemical element (symbol Nd) with an atomic number of 60: a hard, slightly malleable silvery metal that quickly tarnishes in air and moisture. Examples : "The strong magnets in my headphones contain neodymium. " element substance material chemistry science Chat with AIVocabulary GamePractice Reading
noun Download 🔗Share A single atom of this element. Examples : "The science textbook explained that neodymium has a specific number of protons in its nucleus. " element chemistry substance material science Chat with AIVocabulary GamePractice Reading