"diameter" - key terms from Wikipedia

absolute aperture diameter
angular diameter
aperture diameter
apparent diameter
approximately in diameter
barrel diameter
blur disk diameter
bolt circle diameter
bore diameter
brakes have a diameter
bullet diameter
circle of confusion diameter	limit
cm diameter
cm diameter	core
cm in diameter
diameter
diameter	applications
diameter	bullets
diameter	by thick
diameter	of about
diameter	protocol
disc diameter
expanded diameter
fan diameter
groove diameter
hydraulic diameter
inch diameter
inches in diameter
inside diameter
internal diameter
km diameter
large diameter
large diameter	fiber
larger diameter
major diameter
middle diameter
mm diameter
mm diameter	fuel pellet
mm in diameter
outside diameter
overall diameter
pitch diameter
pupil diameter
rotor diameter
shotgun gauge diameter
small diameter	bomb
smaller diameter
standard pitch diameter
tire diameter
valve diameter