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Rivera Fracture Zone

American  
[ri-vair-uh frak-cher zohn, ree-ve-rah] / rɪˈvɛər ə ˈfræk tʃər ˌzoʊn, riˈḇɛ rɑ /

noun

Geology, Oceanography.

  1. a fracture zone that runs along the southwest boundary of the Rivera Plate: originally but inaccurately named the Rivera Transform Fault.

Etymology

Origin of Rivera Fracture Zone

First recorded in 1930–35

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.