any of the various weathering processes that cause physical disintegration of exposed rock without any change in the chemical composition of the rock: Collision between rock surfaces can cause mechanical weathering.
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You may have read the word "simmer" in a recipe or two, but what does it really mean?
Also called physical weathering .
Compare chemical weathering.
Words nearby mechanical weathering
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020