geo·​phys·​ics | \ ˌjē-ə-ˈfi-ziks How to pronounce geophysics (audio) \

Definition of geophysics

: a branch of earth science dealing with the physical processes and phenomena occurring especially in the earth and in its vicinity

Other Words from geophysics

geophysical \ ˌjē-​ə-​ˈfi-​zi-​kəl How to pronounce geophysics (audio) \ adjective
geophysically \ ˌjē-​ə-​ˈfi-​zi-​k(ə-​)lē How to pronounce geophysics (audio) \ adverb
geophysicist \ ˌjē-​ə-​ˈfi-​zə-​sist How to pronounce geophysics (audio) \ noun

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Geophysics applies the principles of physics to the study of the Earth. It deals with such things as the movement of the Earth's crust and the temperatures of its interior. Another subject is the behavior of the still-mysterious geomagnetic field. Some geophysicists seek out deposits of ores or petroleum; others specialize in earthquakes; still others study the water beneath the Earth's surface, where it collects and how it flows.

Examples of geophysics in a Sentence

Recent Examples on the Web Two police officers were killed; a professor of geophysics; a four-month-old in her mother’s arms. Washington Post, 18 Feb. 2022 In geophysics, researchers happily use it to monitor the movements of tectonic plates, which creep along at paces of at most a few centimeters per year. Richard A. Lovett, Outside Online, 17 Aug. 2020 The institutes will bring together researchers and engineers in data science to develop and apply new technologies in several areas of science spanning biology, physics, neuroscience, geophysics, and climate change. Michael T. Nietzel, Forbes, 4 Oct. 2021 Gathering at Princeton's Andlinger Center for Energy and Environment, the group of leaders addressed an audience of about 200 people to describe what Destiny Studies means through diverse lenses including geophysics, finance, energy and law. Michael Del Castillo, Forbes, 26 Dec. 2021 During this time, the researchers focused on mapping the seafloor, exploring tectonic processes, measuring heat flow, sampling microbes, and geophysics of the hydrothermal vents in the Gulf, a statement reports. Elizabeth Gamillo, Smithsonian Magazine, 22 Nov. 2021 Tschauner named the mineral after Ho-kwang ‘Dave’ Mao, a scientist who made many pioneering discoveries in high-pressure geochemistry and geophysics. Gabriela Miranda, USA TODAY, 13 Nov. 2021 BepiColombo will study these features once in orbit around the planet, along with Mercury's magnetic field, composition, geophysics, atmosphere and history., 2 Oct. 2021 Now, for the first time ever, researchers have drawn on advanced geophysics methods to publish a detailed map of the capital. Nora Mcgreevy, Smithsonian Magazine, 5 Nov. 2021 See More

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'geophysics.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of geophysics

circa 1889, in the meaning defined above

History and Etymology for geophysics

International Scientific Vocabulary

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Time Traveler for geophysics

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The first known use of geophysics was circa 1889

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Dictionary Entries Near geophysics

geophysical engineering



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Cite this Entry

“Geophysics.” Dictionary, Merriam-Webster, Accessed 12 Aug. 2022.

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Nglish: Translation of geophysics for Spanish Speakers

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