xenon

Từ điển Oxford Learners Wordfinder Dictionary

noun

a colorless odorless inert gaseous element occurring in the earth's atmosphere in trace amounts (Freq. 1)
• Syn:
Xe, atomic number 54
• Hypernyms:
chemical element, element, noble gas, inert gas, argonon
• Substance Holonyms:
air

• Từ đồng nghĩa / Synonyms:
  Xe, atomic number 54