terrestrial planet

[ tuh-res-tree-uhl plan-it ]
See synonyms for terrestrial planet on Thesaurus.com
  1. a planet composed mostly of metals or silica rocks: in our solar system, the terrestrial planets are the four inner planets.

Origin of terrestrial planet

First recorded in 1885–90
  • Also called tel·lur·ic plan·et, [te-loor-ik plan-it] /tɛˈlʊər ɪk ˈplæn ɪt/ rock·y plan·et [rok-ee plan-it] /ˈrɒk i ˈplæn ɪt/ .

Words Nearby terrestrial planet

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024

How to use terrestrial planet in a sentence

Scientific definitions for terrestrial planet

terrestrial planet

The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.