noun
[ U ] ( geology ) the slow movement of the continents towards and away from each other during the history of the earth
—see also plate tectonics
noun
[ U ] ( geology ) the slow movement of the continents towards and away from each other during the history of the earth
—see also plate tectonics
Oxford Advanced Learner's English Dictionary. Оксфордский английский словарь для изучающик язык на продвинутом уровне. 2005