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单词 tephrochronology
释义

WordReference Random House Unabridged Dictionary of American English © 2024
teph•ro•chro•nol•o•gy  (tef′rō krə nolə jē),USA pronunciation n. [Geol.]
  1. Geologya geochronologic technique based on the dating of layers of volcanic ash. Cf. tephra. 
  • Greek téphra ash) + -o- -o- + kronologi chronology
  • Swedish tefrokronologi, equivalent. to tefr(a) volcanic ejecta (
  • 1940–45;
teph•ro•chron•o•log•i•cal  (tef′rō kron′l oji kəl),USA pronunciation adj. 
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更新时间:2024/9/21 20:54:58