declivity
/dɪˈklɪvɪti/ noun
Forms declivities
- noun (geomorphology) The downward slope of a curve.
- noun A downward bend in a path.
- noun (entomology) An inward curve of the exoskeleton of an insect, such as between body segments; a segment of an insect's body where the exoskeleton curves inward.
Synonyms
Etymology
1610s, from French déclivité, from Latin declivitatem, dēclīvitās,
from dēclivis (“a sloping downward”), from de (“down”) + clīvus (“a slope”), from Proto-Indo-European *ḱleywo-, from Proto-Indo-European *ḱley- (“to lean”) (English lean).
Webster’s 1913
- noun 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.
- noun A descending surface; a sloping place.
Etymology [L. declivitas, fr. declivis sloping, downhill; de + clivus a slope, a hill; akin to clinare to incline: cf. F. déclivité. See Decline.]
Sources: Wiktionary · WordNet 3.0 · Webster’s 1913 — from the Wiktionary entry “declivity”, CC BY-SA 4.0. Details