Definition, Meaning & Synonyms

rille

noun
/ˈril/
Definition
A narrow, deep channel or groove, often found on surfaces like the Moon or Mars.
Examples
  • The lunar surface is marked by many rilles that show the past volcanic activity.
  • Scientists study rilles to understand the geological history of planets.
  • Rilles can vary in size and shape, creating fascinating features on planetary surfaces.
Meaning
Rilles are typically formed by geological processes and can indicate the history of volcanic or tectonic activity on celestial bodies.
Synonyms
  • groove
  • furrow
  • channel