軸

Mathematics

axis of symmetry; line of symmetry

new method

ball bearing

pivot hinge

rachis (floral axis)

front axle

axis of advance

live axle

axis of refraction

lateral axis

dead axle

triaxial cell

shaft end; axial end; end of the shaft

wheelbase

crystal axis

stonewort (esp. Braun's stonewort, Chara braunii)

bastard lupine (Trifolium lupinaster); lupine clover; hop clover; trefoil

Engineering

oblique axis

vertical shaft; upright arm shaft

Medicine

adaxial; ventral

Physics

optic axis (of a crystal); optical axis

the eight volumes of the Lotus Sutra

Anatomy

axial length (of the eye)

axial center; central axis