tephrochronology
[ tef-roh-kruh-nol-uh-jee ]
nounGeology.
a geochronologic technique based on the dating of layers of volcanic ash.
Origin of tephrochronology
11940–45; <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
- Compare tephra.
Words Nearby tephrochronology
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024
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