(geomorphology) A slope or inclination of the earth, as the side of a hill, considered as ascending, in opposition to declivity, or descending; an upward slope; ascent.
Origin of acclivity
Latin acclīvitāsfromacclīvisuphillad-ad-clīvusslopeklei- in Indo-European roots
American Heritage Dictionary of the English Language, 5th Edition
From Latinacclīvitās, from acclīvis (“ascending”), from ad + clīvus (“slope”).
First attested in 1614.
Acclivity Sentence Examples
When parts of a field are flat, and other parts have a considerable acclivity, it is expedient to cut a receiving drain near to the bottom of the slopes, and to give the flat ground an independent set of drains.
Ashbourn Grove, a neat well-built mansion, picturesquely seated on a gentle acclivity, one mile N.E. from Ashbourn, is now unoccupied.
The Side is still the name of the long and steep acclivity which connected the lower with the upper town of Newcastle.
It is delightfully situated on a bold acclivity, one mile E. from the church.
Wexford, Ireland, on the acclivity of a hill on the E.