noun the outside part or uppermost layer of something
verb to rise or come to the surface of a body of water or land
adjective relating to or occurring on the surface
In mathematics, 'surface' can refer to a two-dimensional manifold embedded in a higher-dimensional space.
In geology, 'surface' can refer to the top layer of the Earth's crust or the boundary between different geological formations.
In engineering, 'surface' is important in the design and analysis of structures, materials, and fluid flow.
In chemistry, 'surface' is often used in the context of surface area, surface tension, and surface reactions.
In physics, 'surface' refers to the outermost layer of an object or material.
In writing, 'surface' can refer to the outermost layer of a material or the superficial aspects of a topic or character.
Psychologists may use 'surface' to describe the observable behaviors or characteristics of a person, as opposed to deeper underlying issues.