# plane of mirror symmetry

## plane of mirror symmetry

[′plān əv ′mir·ər ‚sim·ə·trē]Also known as mirror plane of symmetry; plane of symmetry; reflection plane; symmetry plane.

(crystallography)

In certain crystals, a symmetry element whereby reflection of the crystal through a certain plane leaves the crystal unchanged.

(mathematics)

An imaginary plane which divides an object into two halves, each of which is the mirror image of the other in this plane.

McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.

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