کلماتور
The mercury and foil on the back of a looking-glass.
Not common; unusual; infrequent; rare; hence, remarkable; strange; as, an uncommon season; an uncommon degree of cold or heat; uncommon courage. Syn. -- Rare; scarce; infrequent; unwonted. -- Un*com"mon*ly, adv. -- Un*com"mon*ness, n.