# Isometry definitions

ī-sŏm'ĭ-trē
Equality of measure.
noun
Equality of elevation above sea level.
noun
A function between metric spaces which preserves distances, such as a rotation or translation in a plane.
noun
A proportional change in the size of a part or parts of an organism as the organism grows.
noun
Equality of measure.
Equality of measure.
noun
Equality of elevation above sea level.
Equality of height above sea level.
noun
Equality of measure.
noun
A function between two metric spaces (such as two coordinate systems) which preserves distances. A rotation or translation in a plane is an isometry, since the distances between two points on the plane remain the same after the rotation or translation.
A proportional change in the size of a part or parts of an organism as the organism grows.
noun
(mathematics) A function between metric spaces (on a single metric space) having the property that the distance between two images is equal to the distance between their pre-images.
noun

### Origin of isometry

From iso- and -metry.