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tephrochronology

American  
[tef-roh-kruh-nol-uh-jee] / ˌtɛf roʊ krəˈnɒl ə dʒi /

noun

Geology.

  1. a geochronologic technique based on the dating of layers of volcanic ash.

Other Word Forms

  • tephrochronological adjective

Etymology

Origin of tephrochronology

1940–45; < Swedish tefrokronologi, equivalent to tefr ( a ) volcanic ejecta (< Greek téphra ash) + -o- -o- + kronologi chronology

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Now Hirniak's primary expertise is in tephrochronology, which involves the use of volcanic ash to link archaeological and paleoenvironmental records and place them on the same timeline, which was her contribution to this research.

From Science Daily • Mar. 20, 2024

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.