Mohorovicic discontinuity

Từ điển WordNet v3.1 - WordNet Dictionary

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:
Moho
• Topics:
geology
• Instance Hypernyms:
boundary, bound, bounds