semidiameter meaning

UK US

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

Definition of semidiameter

  1. the apparent radius of a celestial body when viewed as a disc from the earth

    Type of: radius

Scrabble score: 17 (letter breakdown)

Word lists: words starting with SE · words ending in ER · 12-letter words

More about semidiameter on Wikipedia.