Search Dictionary
Definition of clarke

clarke

/klɑːrk/
clarke
Plural:clarkes
JUMP TO:

clarke Lexical Profile

• noun

1

In geochemistry, the average relative abundance of a particular chemical element in the Earth's crust, typically expressed as a weight percentage or in parts per million.

Example

"Geochemists compare the local concentration of a metal in an ore deposit against its clarke to determine whether mining is economically viable."

• Rhymes for clarke

• Nearby Words

clarissa
clarity
clark
clarke
clarkia
clash
clashy

Word Origin & Etymology

Coined in the 1920s by Russian geochemist Alexander Fersman in honor of Frank Wigglesworth Clarke (1847–1931), an American chemist and Chief Chemist of the United States Geological Survey who pioneered the determination of the chemical composition of the Earth's crust.

Usage Trend

Historical frequency of usage in published text.

180019102020
Data source: Google Books Ngram Viewer

Cite this Entry

Wordmom. (2026). Definition of Clarke. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/clarke
Built for writers, students, and competitive word game players, Wordmom combines an uncluttered English dictionary and thesaurus with fast, pattern-based word finders so you can verify definitions, synonyms, and high-scoring tile plays in one place.
Word Games & Solvers
Word FinderScrabble Word FinderWords With Friends CheatWordle SolverAnagram Solver
Dictionary & Reference
DictionarySynonymsAntonymsWords
Community
Contact UsEditorial PolicyPrivacy PolicyTerms and Conditions
© 2016–2026 Wordmom Network. All rights reserved. Made with for word lovers everywhere.
Disclaimer: SCRABBLE® is a registered trademark. All intellectual property rights in and to the game are owned in the U.S.A. and Canada by Hasbro Inc., and throughout the rest of the world by J.W. Spear & Sons Limited of Maidenhead, Berkshire, England, a subsidiary of Mattel Inc. Mattel and Spear are not affiliated with Hasbro. Words With Friends® is a registered trademark of Zynga Inc. Wordle® is a registered trademark of The New York Times Company. Other referenced game titles and tournament lexicon codes (including NASPA NWL and WESPA/HarperCollins CSW) are trademarks of their respective owners. Wordmom is an independent reference utility for educational and entertainment purposes and is not affiliated with, sponsored by, or endorsed by Hasbro, Mattel, Spear, Zynga, The New York Times Company, NASPA, WESPA, or HarperCollins Publishers. All game names are referenced strictly under nominative fair use to indicate compatibility.