noun Physical Geography.
the layer of disintegrated and decomposed rock fragments, including soil, just above the solid rock of the earth's crust; regolith.
DON’T VACILLATE! VANQUISH THIS WORD OF THE DAY QUIZ!
It’d be a real faux pas to miss this quiz on the words from August 3–9, 2020!
Question 1 of 7
What does “vacillate” mean?
Origin of mantle rock
First recorded in 1890–95
Words nearby mantle rock
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020