surface
Definition
A surface is the outside of an object. It's what you see and touch. The surface of a ball is smooth, but the surface of a tree is rough. The surface of the water is wet, but the surface of the ground is dry.
Some surfaces are hard, like the surface of a table. Other surfaces are soft, like the surface of a pillow. Some surfaces are smooth, like the surface of a mirror. Other surfaces are rough, like the surface of a rock.
The surface of an object can be different from the inside of the object. For example, the surface of a piece of wood may be smooth, but the inside of the wood may be rough.
How can the word be used?
The surface of the water was calm.
Different forms of the word
Noun: surface.
Adjective: superficial.
Verb: to surface.
Etymology
The word "surface" comes from the Old French word "surface", which is borrowed from the Latin word "superficies", which means "upper face". It was first used in English in the 14th century.
The word "superficial" means "existing or happening on the surface".
The word "to surface" means "to come to the surface".
Question
What is a surface?