√

Symbol

 * 1) square root of.
 * √4̅ = $$\sqrt{4}$$ = 2
 * 1) An ad hoc symbol for the hypothetical Solar-system planet Vulcan
 * 1) An ad hoc symbol for the hypothetical Solar-system planet Vulcan
 * 1) An ad hoc symbol for the hypothetical Solar-system planet Vulcan
 * 1) An ad hoc symbol for the hypothetical Solar-system planet Vulcan
 * 1) An ad hoc symbol for the hypothetical Solar-system planet Vulcan
 * 1) An ad hoc symbol for the hypothetical Solar-system planet Vulcan
 * 1) An ad hoc symbol for the hypothetical Solar-system planet Vulcan
 * 1) An ad hoc symbol for the hypothetical Solar-system planet Vulcan
 * 1) An ad hoc symbol for the hypothetical Solar-system planet Vulcan
 * 1) An ad hoc symbol for the hypothetical Solar-system planet Vulcan

Usage notes
This is also called the "radical sign".