Definition of hydrogen

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  • hydrogen is a valid Scrabble US word with a point value of 16
  • hydrogen is a valid Scrabble UK word with a point value of 16
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Definition of hydrogen

  • a nonmetallic univalent element that is normally a colorless and odorless highly flammable diatomic gas; the simplest and lightest and most abundant element in the universe (noun)

    Synonyms

    1. atomic number 1
    2. h

See definition of hydrogen in Merriam Webster