Share this entry

Share this page

rudaceous

Line breaks: ru|da¦ceous
Pronunciation: /rʊˈdeɪʃəs
 
/

Definition of rudaceous in English:

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.

Definition of rudaceous 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 adverts and access premium resources

Word of the day cumbersome
Pronunciation: ˈkʌmbəs(ə)m
adjective
large or heavy and therefore difficult to carry…