Pronunciation: (u-pärt'mun-tīz"), [key]
—v.t., -ized, -iz•ing.
1. to build apartments on or in: to apartmentize the downtown area.
2. to convert into apartments: The old mansion has recently been apartmentized. Also, esp. Brit.,a•part'ment•ise".
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.