Definition of semidiameter

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  • semidiameter is a valid Scrabble US word with a point value of 17
  • semidiameter is a valid Scrabble UK word with a point value of 17
  • semidiameter is a valid Words with friends word with a point value of 19

Definition of semidiameter

  • the apparent radius of a celestial body when viewed as a disc from the earth (noun)

See definition of semidiameter in Merriam Webster