DictionarydeclinationDownward slope
noun

declination

A downward slope or inclination.

The path has a slight declination toward the river.

Etymology

The Latin verb means to bend down or turn aside. This sense preserves the physical inclination, naming a surface or direction that slopes downward.

More examples

  • The surveyor measures the declination of the hillside.
  • The roof's declination allows rainwater to drain into the gutter.
  • The road's declination becomes steeper beyond the bridge.

Forms

declination · declinations

decline verb — To slope or move downward.

Similar words

slope
Describes an incline without specifying whether it leads downward.
declivity
Specifically names a downward slope, especially in the terrain.
descent
Emphasizes a downward course or movement rather than inclination.