Definition of lactose

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  • lactose is a valid Scrabble US word with a point value of 9
  • lactose is a valid Scrabble UK word with a point value of 9
  • lactose is a valid Words with friends word with a point value of 11

Definition of lactose

  • a sugar comprising one glucose molecule linked to a galactose molecule; occurs only in milk (noun)

    Examples

    1. cow's milk contains about 4.7% lactose

    Synonyms

    1. milk sugar

See definition of lactose in Merriam Webster