# Isometry definition

ī-sŏmĭ-trē
Equality of measure.
noun
Equality of elevation above sea level.
noun
(mathematics) A function between metric spaces which preserves distances, such as a rotation or translation in a plane.
noun
(biology) A proportional change in the size of a part or parts of an organism as the organism grows.
noun
Equality of measure.
noun
(geog.) Equality of height above sea level.
noun
Equality of measure.
noun
(biology) A proportional change in the size of a part or parts of an organism as the organism grows.
noun
Equality of measure.
Equality of elevation above sea level.
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.
(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

Singular:
isometry
Plural:
isometries

## Origin of isometry

• From iso- and -metry.