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Definition of Continental drift

Babylon English Dictionary

gradual movement and formation of the continents across the surface of earth through geological time
Continental drift Definition from Language, Idioms & Slang Dictionaries & Glossaries
hEnglish - advanced version

continental drift
n : the gradual movement and formation of continents (as described by plate tectonics)

WordNet 2.0

Noun
1. the gradual movement and formation of continents (as described by plate tectonics)
(hypernym) geological phenomenon
Continental drift Definition from Science & Technology Dictionaries & Glossaries
Glossary of Marine Biology
Horizontal movement of continents located in plates moving via sea-floor spreading
WEATHER&METEOROLOGY
The movements of the continental plates across the Earth's crust, as explained by the theory of plate tectonics.
Continental drift Definition from Encyclopedia Dictionaries & Glossaries
Wikipedia English - The Free Encyclopedia
Continental drift is the movement of the Earth's continents relative to each other by appearing to drift across the ocean bed. The speculation that continents might have 'drifted' was first put forward by Abraham Ortelius in 1596. The concept was independently and more fully developed by Alfred Wegener in 1912. The theory of continental drift was superseded by the theory of plate tectonics, which explains how the continents move.

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Continental drift Definition from Society & Culture Dictionaries & Glossaries
Environmental Engineering (English ver.)
The theory that continents slowly shift their positions as a result of currents in the molten rocks of the earth's mantle.
Continental drift Definition from Entertainment & Music Dictionaries & Glossaries
English to Federation-Standard Golic Vulcan
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Continental drift Definition from Religion & Spirituality Dictionaries & Glossaries
Webart Magic Astronomical Glossary
The motion of continents due to (convective?) motion of underlying material in the Earth's mantle.