nitrogen

Từ điển WordNet v3.1 - WordNet Dictionary

noun

a common nonmetallic element that is normally a colorless odorless tasteless inert diatomic gas;
constitutes 78 percent of the atmosphere by volume;
a constituent of all living tissues (Freq. 5)
• Syn:
N, atomic number 7
• Derivationally related forms:
nitrogenous, nitrogenize, nitrify
• Hypernyms:
chemical element, element, gas
• Hyponyms:
azote, liquid nitrogen
• Substance Holonyms:
air

• Từ đồng nghĩa / Synonyms:
  N, atomic number 7