continental drift. noun. geology. the theory that the earth's continents move gradually over the surface of the planet on a substratum of magma. The present-day configuration of the continents is thought to be the result of the fragmentation of a single landmass, Pangaea, that existed 200 million years ago.
The Wonderful Wizard of Oz is an American children's novel written by author L. Frank Baum and illustrated by W. W. Denslow, originally published by the George M. Hill Company in Chicago on May 17, 1900.
Films with a color/black-and-white mix. The Wizard of Oz (1939) is in color when Dorothy is in Oz, but in black and white when she is in Kansas, although the latter scenes were actually in sepia when the film was originally released.