Share this entry

Share this page

rille

Line breaks: rille
Pronunciation: /rɪl
 
/
(also rill)

Definition of rille in English:

noun

Astronomy
A fissure or narrow channel on the moon’s surface.
Example sentences
  • He prefers looking in and near smallish craters and the rilles - long, sharp lines or faults.
  • But we know that the Moon is not spherical: rather, it is mountainous in some regions, deep canyons and rills permeating the surface elsewhere, and it is pockmarked with craters, too.

Origin

mid 19th century: from German (see rill).

Definition of rille in:

Share this entry

Share this page

 

What do you find interesting about this word or phrase?

Comments that don't adhere to our Community Guidelines may be moderated or removed.

Get more from Oxford Dictionaries

Subscribe to remove ads and access premium resources

Word of the day boscage
Pronunciation: ˈbäskij
noun
massed trees or shrubs