1. the growth rates in different parts of a growing organism are the same

Definition categories: time

2. 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

Definition categories: link, function, map, mapping

3. equality of elevation above sea level

Definition categories: attribute, elevation

4. equality of measure (e.g., equality of height above sea level or equality of loudness etc.)

Definition categories: attribute, equality