concentric

As an adjective concentric

is (geometry) having a common center.

As a noun circle is

(lb) a two-dimensional geometric figure, a line, consisting of the set of all those points in a plane that are equally distant from another point.

As a verb circle is

to travel around along a curved path.

As adjectives the difference between concentric and undefined

is that concentric is (geometry) having a common center while undefined is lacking a definition or value.

As an adjective concentric

is (geometry) having a common center.

As a noun roundness is

the quality of being round.

As an adjective concentric

is (geometry) having a common center.

As a symbol res is

(label) (l).

As adjectives the difference between concentric and symmetric

is that concentric is having a common center while symmetric is symmetrical.

In geometry terms the difference between concentric and tangent

is that concentric is having a common center while tangent is touching a curve at a single point but not crossing it at that point.

As a noun tangent is

a straight line touching a curve at a single point without crossing it there.

As a noun flexion

is the act of bending a joint, especially a bone joint. The counteraction of extension.

As an adjective concentric is

having a common center.

In geometry terms the difference between concentric and coaxial

is that concentric is having a common center while coaxial is having a common central axis.

As adjectives the difference between realistic and concentric

is that realistic is expressed or represented as being accurate while concentric is having a common center.

As a verb coincide

is to occupy exactly the same space.

As an adjective concentric is

having a common center.