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单词 ur-continent
释义

ur-continent

English

Alternative forms

  • Ur continent

Etymology

Borrowed from German Urkontinent, coined by Alfred Wegener, equivalent to ur- + continent.

Noun

ur-continent (plural ur-continents)

  1. An original or primordial continent or landmass
    • 2012, M. Sears, ‎D. Merriman, Oceanography: The Past:
      The second group of convection currents operated in the upper half of the mantle only, split the ur-continent and carried North and South America away from Eurasia, explaining the similarity in the two coastlines—[...]
  2. Pangaea

See also

  • ur-ocean
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