Pronunciation: (en-lärj'munt), [key]
1. an act of enlarging; increase, expansion, or amplification.
2. anything, as a photograph, that is an enlarged form of something.
3. anything that enlarges something else; addition: The new wing formed a considerable enlargement to the building.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.