Definition of rudaceous in English:

Share this entry

rudaceous

Pronunciation: /rʊˈdeɪʃəs/

adjective

Geology
(Of rock) composed of fragments of relatively large size (larger than sand grains).
Example sentences
  • In central Telemark, the Bandak Group comprises voluminous elastic and rudaceous sediments, basaltic lava flows and minor felsic volcanics.
  • Composed of angular rather than rounded fragments, this type of rudaceous sedimentary rock occurs in volcanic vents where sides of the vent or pipe are broken by explosions.

Origin

Early 20th century: from Latin rudus 'rubble' + -aceous.

Share this entry
 

What do you find interesting about this word or phrase?

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