LOWER MANTLE

Pronunciation (US):

(GB):

IPA (US):

 Dictionary entry overview: What does lower mantle mean? 

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

1. the deeper part of the mantle

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

 Dictionary entry details 

• LOWER MANTLE (noun)

Sense 1

Meaning:

The deeper part of the mantle

Classified under:

Nouns denoting natural objects (not man-made)

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

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

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

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

 Context examples 

Six years later, Stegman and Ziegler expanded on that idea, publishing the first work showing how this once-liquid portion of the lower mantle, rather than the core, could have exceeded the thresholds needed to create Earth's magnetic field during that time.

(Earth's mantle, not its core, may have generated planet's early magnetic field, National Science Foundation)