upper mantle

1. 1.

   the upper part of the mantle

   Broaderlayer

   Part ofmantle

Questions about upper mantle

What does upper mantle mean?

upper mantle means "the upper part of the mantle".

Is upper mantle a common word?

upper mantle is banded "Rare" — specialist or archaic — most readers will not have met it. The band comes from how often the word appears in a large corpus of everyday English, not from an editor's impression.