earth science

Earth science is defined as any of the sciences that have to do with the earth.

(noun)

An example of earth science is geology.

See earth science in Webster's New World College Dictionary

any of various sciences, as geology or meteorology, dealing with the earth or its components

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See earth science in American Heritage Dictionary 4

noun

Any of several essentially geologic sciences that are concerned with the origin, structure, and physical phenomena of the earth.

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