Nd

Từ điển WordNet v3.1 - WordNet Dictionary

noun

a yellow trivalent metallic element of the rare earth group;
occurs in monazite and bastnasite in association with cerium and lanthanum and praseodymium
• Syn:
neodymium, atomic number 60
• Hypernyms:
metallic element, metal
• Substance Holonyms:
monazite, bastnasite, bastnaesite