terrestrial planet
(redirected from Silicate planet)Also found in: Dictionary, Thesaurus.
Related to Silicate planet: Terrestrial planets
terrestrial planet
[tə′res·trē·əl ′plan·ət] (astronomy)
One of the four small planets near the sun (Earth, Mercury, Venus, and Mars).
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.