See also: ©

U+24B8, Ⓒ
CIRCLED LATIN CAPITAL LETTER C

[U+24B7]
Enclosed Alphanumerics
[U+24B9]
Daltonian symbol for copper showing correct unencoded form ""

Translingual

Symbol

  1. (phonetics) an unidentifiable/indeterminate consonant
  2. (chemistry, obsolete) copper (Daltonian symbol)
    Substitute form of "", a presently unencoded (as of Unicode 17.0) Daltonian symbol. Correct form is a red circle containing a black C.

See and ◌⃝ for uses of a letter inside a circle.