英语词汇“protocontinent”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	protocontinent
释义	protocontinent [ proh-toh-kon-tn-uhnt ] / ˌproʊ toʊˈkɒn tn ənt / noun Geology. an actual or hypothetical landmass that might later be enlarged into a major continent or broken up into smaller ones. Origin of protocontinent First recorded in 1955–60; proto- + continent Words nearby protocontinent protoavis, protocal, protochordate, protocol, protocols, protocontinent, protoctist, Protoctista, protodeacon, protoderm, protodiastolic Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 Scientific definitions for protocontinent protocontinent [ prō′tō-kŏn′tə-nənt ] 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. The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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protocontinent