Rillnoun
A very small brook; a streamlet.
Rillnoun
(planetology) rille.
Rillverb
To trickle, pour, or run like a small stream.
Rillnoun
A very small brook; a streamlet.
Rillnoun
See Rille.
Rillverb
To run a small stream.
Rillnoun
a small stream
Rillnoun
a small channel (as one formed by soil erosion)
Rill
In hillslope geomorphology, a rill is a shallow channel (no more than a few tens of centimetres deep) cut into soil by the erosive action of flowing water. Similar but smaller incised channels are known as microrills; larger incised channels are known as gullies.
Rillenoun
(planetology) A long, narrow depression that resembles a channel, found on the surface of various lunar and planetary bodies.
Rillenoun
One of certain narrow, crooked valleys seen, by aid of the telescope, on the surface of the moon.
Rille
Rille (German for 'groove') is typically used to describe any of the long, narrow depressions in the surface of the Moon that resemble channels. The Latin term is rima, plural rimae.