isometry -
a one-to-one mapping of one metric space into another metric space that preserves the distances between each pair of points; "the isometries of the cube"
isometry -
A function between metric spaces or on a single metric space having the property that the distance between two images is equal to the distance between their pre-images.
OmegaWiki Dictionary
Ω
isometry A distance-preserving map between metric spaces.