applanation

[ ăp′lə-nāshən ]

n.

The flattening of the cornea by pressure, as with an applanation tonometer.
Undue flatness, as of the cornea.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.