rotation-inversion axis
[roh-tey-shuh n in-vur-zhuh n, -shuh n]
- an axis of a crystal such that rotating about the axis and then inverting the crystal brings the crystal back to its original position.
Show More
Compare symmetry element.
Also called symmetry axis of rotary inversion.
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018