Coaxial is a 7 letter English word. It's valid Scrabble word worth 16 points. It's valid Words with friends word worth 18 points.
You can make 91 anagrams from letters in coaxial (aacilox).
First recorded in 1880-85; co- + axial
Let a solid circular sectioned cylinder of radius R1 be enclosed in a coaxial tube of inner radius R2.
The other case of importance is that of two coaxial cylinders.
The probe looked like an aluminum pipe but was really a special tube built like a segment of coaxial cable.
The same arrangement can be supplied to a pair of coaxial cylinders.