معنی کلمه :‌ polarity

A property of the conic sections by virtue of which a given point determines a corresponding right line and a given right line determines a corresponding point. See Polar, n.

Not turning the mind to a matter; heedless; careless; negligent; inattentive. An inadvertent step may crush the snail That crawls at evening in the public path. Cowper. -- In`ad*vert"ent*ly, adv.