al·​li·​va·​lite | \ ˈalə̇vəˌlīt \
plural -s

Definition of allivalite

: a plutonic rock composed of anorthite and olivine in approximately equal amounts

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First Known Use of allivalite

1903, in the meaning defined above

History and Etymology for allivalite

Allival Hill, Isle of Rum, Inner Hebrides, Scotland, its locality + English -ite

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The first known use of allivalite was in 1903

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Cite this Entry

“Allivalite.” Dictionary, Merriam-Webster, Accessed 10 May. 2021.

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