tephrochronology

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

noun Geology.

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

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Origin of tephrochronology

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

OTHER WORDS FROM tephrochronology

teph·ro·chron·o·log·i·cal [tef-roh-kron-l-oj-i-kuhl], /ˌtɛf roʊˌkrɒn lˈɒdʒ ɪ kəl/, adjective

Words nearby tephrochronology

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020