Adjective
co-axial (comparative more co-axial, superlative most co-axial)
Alternative form of coaxial
co axial
The external connections are usually of a co-axial or tri-axial design, and allow attachment of diodes or ionization chambers for ionising radiation measurement. Source: Internet
Unlike the co-axial design of Super 8, the Single 8 cartridge featured one spool above the other. Source: Internet