Biaxial vs. Coaxial

Biaxialadjective

Having two axes

Coaxialadjective

(geometry) Having a common central axis

Biaxialadjective

Having a value in two perpendicular directions. [In solid mechanics it generally means that normal stresses exist in two of the possible three directions. Note that they do not have to be equal in sign or magnitude.]

Coaxialnoun

A coaxial cable

Biaxialadjective

having two axes;

‘biaxial crystals’;

Coaxial

having a common axis.

Coaxialadjective

having a common axis

Coaxial

In geometry, coaxial means that several three-dimensional linear or planar forms share a common axis. The two-dimensional analog is concentric.