DECLIVITY n. 2 definitions
Deviation from a horizontal line; gradual descent of surface; inclination downward; slope; -- opposed to acclivity, or ascent; the same slope, considered as descending, being a declivity, which, considered as ascending, is an acclivity.
DELINEATION n.
by lines, diagrams, sketches, etc.; drawing an outline; as, the delineation of a scene or face; in drawing and engraving, representation by means of lines, as distinguished from representation by means of tints shades; accurate and minute representation, as distinguished from art that is careless of details, or subordi…