Definition of trillionth

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  • trillionth is a valid Scrabble US word with a point value of 13
  • trillionth is a valid Scrabble UK word with a point value of 13
  • trillionth is a valid Words with friends word with a point value of 15

Definition of trillionth

  • one part in a trillion equal parts (noun)

    Synonyms

    1. one-trillionth
  • the ordinal number of one trillion in counting order (adjective)

See definition of trillionth in Merriam Webster