Dictionary.com
definitions
  • synonyms

terrestrial planet

See more synonyms for terrestrial planet on Thesaurus.com
noun Astronomy.
  1. inner planet.
Show More

Origin of terrestrial planet

First recorded in 1885–90
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

terrestrial planet in Science

terrestrial planet

  1. See inner planet.
Show More
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.