Definition of luminal

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  • luminal is a valid Scrabble US word with a point value of 9
  • luminal is a valid Scrabble UK word with a point value of 9
  • luminal is a valid Words with friends word with a point value of 14

Definition of luminal

  • a long-acting barbiturate used as a sedative (noun)

    Synonyms

    1. phenobarbital
    2. phenobarbitone
    3. purple heart
    4. sodium thiopental

See definition of luminal in Merriam Webster