ScienceJune 30, 2026

geochemist

/ˌdʒiːoʊˈkɛmɪst/

Definition

A scientist who studies the chemical composition and the chemical changes occurring within the Earth and its various environmental systems.

Etymology

The word combines the Greek 'geo' (Earth) and 'chemist' (derived from the medieval alchemy or 'alchimia'). It entered the English language in the 19th century to describe the growing scientific field concerned with the chemical study of the Earth's crust and atmosphere.

In the news

In this article, geochemist Gretchen Gehrke is cited as an expert voice who explains how former government scientists are utilizing their specialized knowledge to independently rebuild critical climate data platforms.

Trump Killed Climate.gov Last Summer. Scientists Just Brought It Back

Read the full article ↗

Gizmodo

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