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Monge patch

Concept in differential geometry

In the differential geometry of surfaces, the Monge patch designates the parameterization of a surface by its height over a flat reference plane. It is also called Monge parameterization or Monge form.

In physical theory of surface and interface roughness, and especially in the study of shape conformations of membranes, it is usually called the Monge gauge, or less frequently the Monge representation.

From Wikipedia (CC BY-SA). Not a dictionary word, so it lives in Other Names.