圏点

Etymology
, specifically an unfilled circle ( or ).

Noun

 * 1)  an, a dot or similar mark attached to a character to display emphasis
 * 1)  an, a dot or similar mark attached to a character to display emphasis
 * 1)  an, a dot or similar mark attached to a character to display emphasis
 * 1)  an, a dot or similar mark attached to a character to display emphasis