Definition of dunite in English:

dunite

Line breaks: dun¦ite
Pronunciation: /ˈdʌnʌɪt
 
/

noun

[mass noun] Geology
A green to brownish coarse-grained igneous rock consisting largely of olivine.
More example sentences
  • The lowermost rocks are serpentinized dunite and harzburgite, which are best exposed in the NE of the ophiolite.
  • Its lower part displays alternating bands of peridotite, pyroxenite, and dunite, but dunite is dominant throughout most (and especially the upper part) of the unit.
  • In the field, the boundary between crustal units and mantle units is marked by a zone of sheared serpentinite, which overlies more massive largely serpentinized, harzburgite and dunite.

Origin

mid 19th century: from the name of Dun Mountain, New Zealand, + -ite1.

Definition of dunite in:

Get more from Oxford Dictionaries

Subscribe to remove adverts and access premium resources

Word of the day demoralize
Pronunciation: dɪˈmɒrəlʌɪz
verb
cause (someone) to lose confidence or hope