[ ŏb-dŭk′shən ]
A geologic process in which the edge of a tectonic plate consisting of oceanic crust is thrust over the edge of an adjacent plate consisting of continental crust. Compare subduction.
DON’T VACILLATE! VANQUISH THIS WORD OF THE DAY QUIZ!
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Question 1 of 7
What does “vacillate” mean?
Words nearby obduction
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.