1. plural of moho; the boundary between the Earth's crust and mantle, marked by a discontinuity in seismic wave velocities
Usage: geology; technical; often used in the singular form 'Mohorovičić discontinuity' or shortened to 'Moho'

Examples

• Seismic waves change speed when they cross the mohos.
• The mohos lies approximately 35 kilometers beneath the continental crust.
• Geologists study the mohos to understand the structure of the Earth.
• The depth of the mohos varies between oceanic and continental regions.