Mohorovičić discontinuity
(mōˌhə-rōˈvə-chĭch)
noun The boundary between the earth's crust and the underlying mantle, averaging 8 kilometers (5 miles) in depth under the oceans and 32 kilometers (20 miles) in depth under the continents.
Origin:
Origin: After Andrija Mohorovičić (1857-1936), Croatian geophysicist
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