geoscience

1 of 2

noun (1)

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

geoscientist

2 of 2

noun (2)

geo·​scientist "+ 

: a specialist in one or more of the geosciences

Examples of geoscience in a Sentence

Recent Examples on the Web

Noun

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

Not surprisingly, 70% of the Woods Hole Oceanographic Institution’s funding was given for geosciences, atmospheric sciences & ocean sciences. — Michael T. Nietzel, Forbes.com, 1 Feb. 2026

Word History

Etymology

Noun (2)

ge- + scientist

First Known Use

Noun (1)

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