fluor

Từ điển WordNet v3.1 - WordNet Dictionary

noun

a soft mineral (calcium fluoride) that is fluorescent in ultraviolet light;
chief source of fluorine
• Syn:
fluorite, fluorspar
• Hypernyms:
mineral
• Substance Meronyms:
calcium, Ca, atomic number 20, fluorine, F, atomic number 9

• Từ đồng nghĩa / Synonyms:
  fluorite, fluorspar