An Etymological Dictionary of Astronomy and Astrophysics

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فرهنگ ریشه‌شناختی اخترشناسی-اخترفیزیک

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continental drift
  دلک ِ قاره‌ها  
delek-e qârehâ
Fr.: dérive de continents  

A hypothesis proposed by Alfred Wegener (1912) suggesting that the → continents are not stationary, but drift through time. Wegener’s hypothesis has since been developed and included in a new theory called → plate tectonics.

See also: → continental; → drift.