Mohorovičić discontinuity

Etymology
Named for Croatian seismologist (1857-1936).

Proper noun

 * 1)  The boundary between the Earth’s crust and mantle.
 * 2)  A similar structure on other bodies, that separates crust from mantle.

Translations

 * Italian: discontinuità di Mohorovičić
 * Portuguese: descontinuidade de Mohorovicic