earth science

American  

noun

1. any of various sciences, as geography, geology, or meteorology, that deal with the earth, its composition, or any of its changing aspects.

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earth science British  

noun

1. any of various sciences, such as geology, geography, and geomorphology, that are concerned with the structure, age, and other aspects of the earth

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earth science Scientific  

1. Any of several sciences, such as geology, oceanography, and meteorology, that study the origin, composition, and physical features of the Earth.

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Other Word Forms

• earth scientist
  noun

Etymology

Origin of earth science

First recorded in 1935–40

Example Sentences

To better understand how planets form and evolve, researchers from astronomy, planetary science, and Earth science are increasingly working together.

From Science Daily • Apr. 21, 2026

Gregory Beroza, a co-author and professor of Earth science at Stanford’s Doerr School of Sustainability, said the approach is a big leap for groundwater management.

From Los Angeles Times • Feb. 13, 2025

“Pace will give us another dimension” to what other satellites observe, said NASA’s director of Earth science, Karen St. Germain.

From Seattle Times • Feb. 7, 2024

Another contributing factor is the closing of Earth science departments, a primary employer of paleontologists, at too many small and medium-sized institutions.

From Scientific American • Aug. 30, 2023

Each true-or-false question taught the user—and the alien—basic Earth science facts.

From "Sir Fig Newton and the Science of Persistence" by Sonja Thomas

Related Words

• geology
• geopolitics
• topography