supplementary character set
nounUK /ˌsʌplɪˈmentəri ˈkærəktə set/
US /ˌsʌpləˈmentəri ˈkærəktər set/
A supplementary character set is an extra group of letters and symbols that a computer can use.
The font includes a supplementary character set for rare symbols.
RELATED WORDS
OTHER MEANINGS
2. A set of characters added to a base character set to cover more languages or symbols.
The software loads a supplementary character set when it detects foreign text.
3. In Unicode, a range of characters beyond the basic multilingual plane.
Emoji often live in the supplementary character set.
4. An auxiliary collection of glyphs used for special notation.
Mathematical symbols are stored in a supplementary character set.