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allitic

adjective
al·​lit·​ic | \əˈlitik, (ˈ)a¦l-\

Definition of allitic 

: lacking silica but having a high proportion of aluminum and iron compounds

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First Known Use of allitic

1931, in the meaning defined above

History and Etymology for allitic

International Scientific Vocabulary aluminum + -litic

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The first known use of allitic was in 1931

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