This character is a Other Symbol and is commonly used, that is, in no specific script.
The glyph is not a composition. It has no designated width in East Asian texts. In bidirectional text it acts as Other Neutral. When changing direction it is not mirrored. The word that U+25CC forms with similar adjacent characters prevents a line break inside it.
The CLDR project calls this character “dotted circle” for use in screen reading software. It assigns these additional labels, e.g. for search in emoji pickers: circle, dotted.
The Wikipedia has the following information about this codepoint:
In Unicode, the dotted circle (◌) is a non-significant typographic character used to illustrate the effect of a combining mark, such as a diacritic mark. It can also be used to indicate a spot where a character ought to be, but it is seldom used for anything else.
Representations
System
Representation (click value to copy)
Nº
9676
UTF-8
E2 97 8C
UTF-16
25 CC
UTF-32
00 00 25 CC
URL-Quoted
%E2%97%8C
HTML hex reference
◌
Wrong windows-1252 Mojibake
◌
Encoding: GB18030 (hex bytes)
81 37 9E 31
AGL: Latin-5
uni25CC
Adobe Glyph List
dottedcircle
RFC 5137
\u'25CC'
Bash and Zsh inside echo -e
\u25CC
C and C++
\u25CC
C#
\u25CC
CSS
\0025CC
Excel
=UNICHAR(9676)
Go
\u25CC
JavaScript
\u25CC
Modern JavaScript since ES6
\u{25cc}
JSON
\u25CC
Java
\u25CC
Lua
\u{25CC}
Matlab
char(9676)
Perl
"\x{25CC}"
PHP
\u{25cc}
PostgreSQL
U&'\25CC'
PowerShell
`u{25CC}
Python
\u25CC
Ruby
\u{25cc}
Rust
\u{25cc}
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