ଅର୍ଥ : A cooler darker spot appearing periodically on the sun's photosphere. Associated with a strong magnetic field.

ଅର୍ଥ : A small yellowish central area of the retina that is rich in cones and that mediates clear detailed vision.

ଅର୍ଥ : A patch of skin that is discolored but not usually elevated. Caused by various diseases.