a plane; a study of geometry is called "plane" geometry.
skin
crust
outside
ground
face
Flat can be a noun:I have a flat on my car.When used to modify another word, it is not a noun:I have a flat tire on my car.
bland, dull, flat, weak
Collapsed. Pancaked Crashed Toppled
The noun "plane" is a singular, common, concrete noun; a word for a type of aircraft; a tool used to smooth the surface of wood; a flat surface; a level of development or existence; a word for a thing .The word "plane" is also a verb and an adjective.
Yes, the noun 'plane' is a common noun; a general word for a type of aircraft; a general word for a tool used to smooth the surface of wood; a general word for a flat surface; a general word for a level of development or existence.The word "plane" is also a verb and an adjective.
lever
A floor.
A mesa has a flat top.
The flat surface felt smooth.
It is an incline.
A flat surface generally refers to a horizontal surface and is referred to as the plane.
even ? when something is flat and level it is often referred to as an even surface.
An inclined plane
level
a platue
A flat.
There is no real world flat surface which goes on forever. It is a geometric idealised concept. So, since there is not even a first such thing, there cannot be another.