dunite

[ doo-nahyt, duhn-ahyt ]

noun

1. a coarse-grained igneous rock composed almost entirely of olivine.

dunite

/ ˈdʌnaɪt /

noun

1. an ultrabasic igneous rock consisting mainly of olivine

dunite

/ do̅o̅′nīt′,dŭn′īt′ /

1. A coarse-grained igneous rock that consists mainly of olivine.

Word History and Origins

Origin of dunite¹

1865–70; named after Mt. Dun in New Zealand, where it is found; -ite ¹

Word History and Origins

Origin of dunite¹

C19: named after Dun Mountain, a mountain in New Zealand where it is abundant