tephrochronology

[ tef-roh-kruh-nol-uh-jee ]

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

Origin of tephrochronology

1
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. 2024