geochemistry

noun

geo·​chem·​is·​try ˌjē-ō-ˈke-mə-strē 

1

: a science that deals with the chemical composition of and chemical changes in the solid matter of the earth or a celestial body (such as the moon)

2

: the related chemical and geologic properties of a substance

geochemical

ˌjē-ō-ˈke-mi-kəl 

adjective

geochemically

ˌjē-ō-ˈke-mi-k(ə-)lē 

adverb

geochemist

ˌjē-ō-ˈke-mist 

noun

Examples of geochemistry in a Sentence

Recent Examples on the Web

Snape presented the findings at the world's premier geochemistry meeting, the Goldschmidt Conference in Prague held between July 6 and July 11. —Keith Cooper, Space.com, 17 July 2025

The study’s authors, representing the University of Wisconsin-Madison, Dickinson College and the University of La Frontera, presented their findings this week at an international geochemistry conference in Prague. —Christian Thorsberg, Smithsonian Magazine, 9 July 2025

The new research — which will be presented this week at the Goldschmidt geochemistry conference in Prague — is centered on improving C02 sequestration. —Jack Knudson, Discover Magazine, 7 July 2025

To establish the age of these rocks, the researchers combined petrology and geochemistry and applied two radiometric dating methods using different isotopes of the elements samarium and neodymium. —David Bressan, Forbes.com, 27 June 2025

Word History

First Known Use

1902, in the meaning defined at sense 1

Rhymes for geochemistry

• biochemistry
• cytochemistry
• histochemistry
• neurochemistry
• photochemistry
• phytochemistry
• thermochemistry
• biogeochemistry
• chemistry
• electrochemistry
• immunochemistry
• radiochemistry

Kids Definition

geochemistry

noun

geo·​chem·​is·​try ˈjē-ō-ˈkem-ə-strē 

: a science that deals with the chemical composition of and chemical changes in the solid material of the earth or of another body (as the moon)

geochemical

-ˈkem-i-kəl 

adjective

geochemist

-ˈkem-əst 

noun