seafloor spreading

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Definitions of seafloor spreading words

noun seafloor spreading a process in which new ocean floor is created as molten material from the earth's mantle rises in margins between plates or ridges and spreads out. 1
noun seafloor spreading a series of processes in which new oceanic lithosphere is created at oceanic ridges, spreads away from the ridges, and returns to the earth's interior along subduction zones 0

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This term is known only to a narrow circle of people with rare knowledge. Only 27% of English native speakers know the meaning of this word.

According to our data most of word are more popular. This word is almost not used. It has a much more popular synonym.

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