WordReference Random House Unabridged Dictionary of American English © 2026
earth′ sci′ence, 
  1. Geologyany of various sciences, as geography, geology, or meteorology, that deal with the earth, its composition, or any of its changing aspects. Also called geoscience. 
  • 1935–40
earth′ sci′entist. 

Collins Concise English Dictionary © HarperCollins Publishers::
earth science n
  1. any of various sciences, such as geology, geography, and geomorphology, that are concerned with the structure, age, and other aspects of the earth
'earth science' also found in these entries (note: many are not synonyms or translations):
geoscience - geoscientist

Forum discussions with the word(s) "earth science" in the title:


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