Definition of selenium

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  • selenium is a valid Scrabble US word with a point value of 10
  • selenium is a valid Scrabble UK word with a point value of 10
  • selenium is a valid Words with friends word with a point value of 14

Definition of selenium

  • a toxic nonmetallic element related to sulfur and tellurium; occurs in several allotropic forms; a stable grey metallike allotrope conducts electricity better in the light than in the dark and is used in photocells; occurs in sulfide ores (as pyrite) (noun)

    Synonyms

    1. atomic number 34
    2. se

See definition of selenium in Merriam Webster