'Mohorovicic discontinuity' definitions:

Definition of 'Mohorovicic discontinuity'

(from WordNet)
noun
The boundary between the Earth's crust and the underlying mantle; "the Mohorovicic discontinuity averages 5 miles down under oceans and 20 miles down under continents" [syn: Mohorovicic discontinuity, Moho]

Definition of 'Mohorovicic discontinuity'

From: GCIDE
  • Mohorovicic discontinuity \Mohorovicic discontinuity\, n. (Geol.) same as 2nd Moho. [PJC]