Ⓐ

Symbol

 * 1) Circle-A, a symbol for anarchy or anarchism.
 * 2)  ammeter
 * 3)  unidentifiable/indeterminate open vowel (low vowel)

Usage notes

 * U+24B6 was not adopted for the anarchism symbol, where the A and surrounding circle (originally the letter O) commonly overlap (see right).

Related terms

 * 🅐
 * 🅰
 * See for uses of a letter inside a circle.