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protocontinent

[ proh-toh-kon-tn-uhnt ]

noun

, Geology.
  1. an actual or hypothetical landmass that might later be enlarged into a major continent or broken up into smaller ones.


protocontinent

/ prō′tō-kŏntə-nənt /

  1. A landmass that existed at some point in the past. Protocontinents that are thought to have comprised some or all of the present-day continents in a single landmass are also known as supercontinents .


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Word History and Origins

Origin of protocontinent1

First recorded in 1955–60; proto- + continent

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