UPPER MANTLE

Pronunciation (US):

(GB):

IPA (US):

 Dictionary entry overview: What does upper mantle mean? 

• UPPER MANTLE (noun)
  The noun UPPER MANTLE has 1 sense:

1. the upper part of the mantle

  Familiarity information: UPPER MANTLE used as a noun is very rare.

 Dictionary entry details 

• UPPER MANTLE (noun)

Sense 1

Meaning:

The upper part of the mantle

Classified under:

Nouns denoting natural objects (not man-made)

Hypernyms ("upper mantle" is a kind of...):

layer (a relatively thin sheetlike expanse or region lying over or under another)

Holonyms ("upper mantle" is a part of...):

mantle (the layer of the earth between the crust and the core)

 Context examples 

Once a period of mountain-building ends, these fluid layers (Earth's upper mantle and Titan's liquid ocean) allow the crust to relax.

(Cassini Spies Titan's Tallest Peaks, NASA)

Ocean water atop the tectonic plate runs down into the Earth's crust and upper mantle along fault lines that lace the area where the plates collide and bend.

(Seismic study reveals huge amount of water dragged into Earth’s interior, National Science Foundation)

Titan's icy crust sits atop a deep ocean of liquid water that probably acts much like Earth's upper mantle — the layer of hot, high-pressure rock below the crust that can slowly flow and deform over time.

(Cassini Spies Titan's Tallest Peaks, NASA)