What does 'APO' mean in camera lenses?

what does 'APO' stand for in camera lenses, for example, in Minolta lens 100-300mm f.4.5-5.6 APO D AF?

(Apochromat) is a photographic or other lens that has better color correction than the much more common achromat lenses.

Angle project objects.

It usually come with the Sigma lens.
Which means a better color correction, more real and vivid