atomic number 7 definition

  • 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
    • a typical nonmetallic factor that is normally a colorless odorless tasteless inert diatomic fuel; constitutes 78 percent associated with environment by volume; a constituent of living areas

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  • Hyponym for "atomic number 7"
  • Hypernym for "atomic number 7"
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