The phrase "continental drift" refers to the idea that Earth's continents were once united and have moved apart over millions of years. Full definition
Some proposed they're related to periods of intense volcanic activity, others that they were caused by continental drift and periods of mountain building. (drtimball.com)
How can we give a rigorous account of the processes that drive continental drift? (newscientist.com)
But at the heart of the issue is a cultural continental drift between two groups that see dogs in completely different lights. (clevescene.com)