isometry

Isometry has 4 syllables: i · som · e · try.

noun. A one-to-one mapping of one metric space into another metric space that preserves the distances between each pair of points.

noun. Equality of elevation above sea level.

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

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