Dictionary

regolith

noun reg·o·lith \ˈre-gə-ˌlith\

Definition of REGOLITH

:  unconsolidated residual or transported material that overlies the solid rock on the earth, moon, or a planet

Origin of REGOLITH

Greek rhēgos blanket + English -lith; akin to Greek rhezein to dye — more at raga
First Known Use: 1897

Browse

Next Word in the Dictionary: regorgePrevious Word in the Dictionary: regnumAll Words Near: regolith
April 19, 2015
desiccate Hear it
to dry up or become dried up
Take a 3-minute break and test your skills!
How to use a word that (literally) drives some people nuts.
Test your vocab with our fun, fast game
Ailurophobia, and 9 other unusual fears