⊖

Description
A minus symbol (−) inside a circle.

Symbol

 * 1)  A symbol representing symmetric difference.
 * 2)  ISO 2047 symbol for Escape
 * 3)  sterile
 * 1)  sterile

Usage notes
Some fonts do not clearly show ⊖ as a circled minus, but rather render it as a bisected circle. To force the symbol to display correctly (with a "white rim"), the sequence U+2296 FE00 is provided: &#x2296;&#xFE00;.