Mercator projection
Concise Oxford English Dictionary © 2008 Oxford University Press:
Mercator projection/mɜːˈkeɪtəprəʤekʃn/
▶noun a world map projection made on to a cylinder in such a way that all parallels of latitude have the same length as the equator.
– origin from Mercator, Latinized name of the 16th-cent. Flemish geographer Gerhard Kremer.
'Mercator projection' also found in these Oxford entries:

