(modifier) (of a map projection) showing area accurately and therefore distorting shape and directionAlso: homolographic
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Examples from the Web for equal-area
Historical Examples of equal-area
It is a very suitable projection for an equal-area map of Africa.