holmium

Từ điển WordNet v3.1 - WordNet Dictionary

noun

a trivalent metallic element of the rare earth group;
occurs together with yttrium;
forms highly magnetic compounds
• Syn:
Ho, atomic number 67
• Hypernyms:
metallic element, metal
• Substance Holonyms:
gadolinite, ytterbite

• Từ đồng nghĩa / Synonyms:
  Ho, atomic number 67