geoscience

noun

geo·​sci·​ence ˌjē-ō-ˈsī-ən(t)s 

1

: the sciences (such as geology, geophysics, and geochemistry) dealing with the earth

2

: any of the geosciences compare earth science

geoscientist

ˌjē-ō-ˈsī-ən-tist 

noun

Examples of geoscience in a Sentence

Recent Examples on the Web

Twenty years ago, during my first year as a geoscience undergraduate, a lecturer told me that predicting when and where the next major eruption would take place was a pipe dream — the implication being that volcanoes are far too idiosyncratic and mercurial to have much in common with one another. —Quanta Magazine, 8 May 2026

Modern geoscience has identified several key factors of rocks that make a region particularly rich in petroleum, including their ability to generate and hold hydrocarbons. —Scott L. Montgomery, The Conversation, 7 Apr. 2026

Jim Head, a professor of planetary geosciences at Brown University was there for them all. —Brandon Truitt, CBS News, 6 Apr. 2026

Taylor Shelton, an associate professor of geosciences at Georgia State University, said the executive order may be too little, too late. —Matt Reynolds, AJC.com, 22 Jan. 2026

Word History

First Known Use

1942, in the meaning defined at sense 1

Rhymes for geoscience

• science
• appliance
• compliance
• defiance
• reliance
• neuroscience
• noncompliance
• pseudoscience

Kids Definition

geoscience

noun

geo·​sci·​ence ˌjē-ō-ˈsī-ən(t)s 

: the sciences (as geology or geophysics) dealing with the earth