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Moho

Moho

1 9.8
A boundary under the Earth's surface between the crust and mantle where rocks change
  • noun
  • /ˈmoʊhoʊ/
  • Specialized
translation icon : Moho
  • The Moho is an abrupt boundary in composition and properties.

Examples

  • Two such junctures were Wild Cane Cay and Moho Cay on the Belize coast, where archeologists have found large quantities of obsidian blades.

    Academic text (1991)
  • I go back to the States and restart everything from the Moho probes to providing technical advice on the remake of At the Earth's Core.

    Fiction book (1999)
  • Mr. Moho

    Blog text (25)
  • Moho is shown.

    Blog text (34)
  • He knows there is danger underground, a moho line of malleable earth that can shift.

    Fiction book (1992)
  • The depth to the Moho averages about 35 km beneath continents but is about 10–15 km beneath oceans.

  • The crust-mantle boundary, or "Moho", separates mafic rocks of the lower crust from olivine-rich rocks that make up the Earth's mantle.

Synonyms

Mohorovicic discontinuity
vsMoho
  • Specialized
9.9

A boundary between the Earth's crust and the layer below where earthquake waves change speed

is the same boundary but referred to by a shorter common name

Surface Forms

Moho singular
Mohos plural

Etymology

Moho comes from the Croatian scientist Mohorovičić, who first found this hidden border under the Earth by studying earthquake waves. So Moho means 'Mohorovičić's boundary' and is used for the line between the Earth's crust and the mantle.