Definition of Mohorovičić discontinuity in English:

Mohorovičić discontinuity

Syllabification: Mo·ho·ro·vi·čić dis·con·ti·nu·i·ty
Pronunciation: /ˌmōhəˈrōviˌCHiCH ˌdiskänt(ə)nˌ(y)o͞oədē


The boundary surface between the earth’s crust and the mantle, lying at a depth of about 6-7 miles (10-12 km) under the ocean bed and about 24-30 miles (40-50 km) under the continents.
More example sentences
  • The sharp boundary between the crust and mantle is called the Mohorovicic discontinuity or Moho.
  • Wide-angle reflection and refraction seismic data can be used to image the Mohorovicic discontinuity and provide information on the velocity structure and physical properties of the crust.
  • These values suggest that the Mohorovicic discontinuity remains relatively deep, 40 to 45 km, beneath western half of the transect.


1930s: named after Andrija Mohorovičić (1857–1936), Yugoslav seismologist.

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