vertigo

ver*ti*go

noun

{bc}a sensation of motion in which the individual or the individualu0027s surroundings seem to whirl dizzily

benign paroxysmal positional vertigo

noun

{bc}a condition marked by short, recurrent episodes of {d_link|vertigo|vertigo} and {d_link|nystagmus|nystagmus} brought about by a change in head position that is caused by the movement of small crystals of calcium carbonate in the inner ear that have become dislodged from the {d_link|utricle|utricle} and entered the {d_link|semicircular canals|semicircular canal}