Definition of heliometer

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  • heliometer is a valid Scrabble US word with a point value of 15
  • heliometer is a valid Scrabble UK word with a point value of 15
  • heliometer is a valid Words with friends word with a point value of 16

Definition of heliometer

  • an instrument used to measure the angular separation of two stars that are too far apart to be included in the field of view of an ordinary telescope (noun)

See definition of heliometer in Merriam Webster