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alkalic

adjective
al·​kal·​ic | \ (ˈ)al¦kalik\

Definition of alkalic 

of igneous rocks
: containing a comparatively large proportion of the alkalies sodium and potassium

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First Known Use of alkalic

1902, in the meaning defined above

History and Etymology for alkalic

alkali + -ic

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The first known use of alkalic was in 1902

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