Moho
Definition
Noun: 1. The boundary between the Earth's crust and the underlying mantle: The Moho is a distinct seismic discontinuity where the velocity of earthquake waves changes abruptly, marking the transition from the crust to the mantle. It is named after the seismologist Andrija Mohorovičić who discovered it.
Usage Examples
- The depth of the Moho varies significantly between oceanic and continental regions.
- Scientists study seismic waves to map the Moho and understand the Earth's structure.
- Drilling to reach the Moho has been a long-standing goal in geology.
Advanced Usage
- The Mohorovičić discontinuity: This is the full, formal name for the Moho.
- The project aims to sample rock directly from the Mohorovičić discontinuity.
Variants and Related Words
- Mohorovičić discontinuity (n): The full technical term for the Moho.
- Crust-mantle boundary (n): A descriptive synonym for the Moho.
Synonyms
- Mohorovičić discontinuity
- Crust-mantle boundary
Noun
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the boundary between the Earth's crust and the underlying mantle
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the Mohorovicic discontinuity averages 5 miles down under oceans and 20 miles down under continents
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