Definition of boron

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  • boron is a valid Scrabble US word with a point value of 7
  • boron is a valid Scrabble UK word with a point value of 7
  • boron is a valid Words with friends word with a point value of 9

Definition of boron

  • a trivalent metalloid element; occurs both in a hard black crystal and in the form of a yellow or brown powder (noun)

    Synonyms

    1. atomic number 5
    2. b

See definition of boron in Merriam Webster