- reflection plane
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Crystall.a plane through a crystal that divides the crystal into two halves that are mirror images of each other. Also called symmetry plane. Cf. symmetry element.[1970-75]
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Universalium. 2010.
reflection plane
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reflection plane — noun : a mirror plane of symmetry of a crystal * * * Crystall. a plane through a crystal that divides the crystal into two halves that are mirror images of each other. Also called symmetry plane. Cf. symmetry element. [1970 75] … Useful english dictionary
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Plane — Plane, n. [F. plane, L. plana. See {Plane}, v. & a.] 1. (Geom.) A surface, real or imaginary, in which, if any two points are taken, the straight line which joins them lies wholly in that surface; or a surface, any section of which by a like… … The Collaborative International Dictionary of English
Plane at infinity — Plane Plane, n. [F. plane, L. plana. See {Plane}, v. & a.] 1. (Geom.) A surface, real or imaginary, in which, if any two points are taken, the straight line which joins them lies wholly in that surface; or a surface, any section of which by a… … The Collaborative International Dictionary of English
