Code point
U+25D2
Glyph appearance depends on your fonts.
U+25D2
SoU+25D2 CIRCLE WITH LOWER HALF BLACK is a Unicode 16.0.0 character in the Other Symbol category. It belongs to the Geometric Shapes block.
Choose the representation you need, then copy its value.
U+25D2
9682
◒
◒
E2 97 92
25D2
000025D2
%E2%97%92
\u25D2
\u25D2
\u25D2
\25D2