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Definition of: Mohorovicic discontinuity
(mə·hôr′ə·vis′ik, -vich′ik) noun Geol.
A rock layer forming a boundary between the earth's crust and mantle about 6 to 25 miles deep. Also Mo·ho (mō′·hō′)· [after Andrija Mohorović, Yugoslavian scientist]
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