a plane through a crystal that divides the crystal into two halves that are mirror images of each other.
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Question 1 of 7
What does “clement” mean?
Also called symmetry plane.
Compare symmetry element.
Origin of reflection plane
First recorded in 1970–75
Words nearby reflection plane
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020