the numbers, letters, punctuation marks, and special symbols that can be used by a particular device, as a printer, or in a coding method, as ASCII.
Examples from the web for character set
It also describes the character set used by the language.
The translators should type their translations in this character set.
However, it was also agreed that the character set repertoire in current use was not to be expanded.
We have attempted to allow for font families that show each character set, but you must have one of these fonts on your computer.
character set in Technology
character 1. A particular mapping between characters and byte strings, i.e. the combination of a particular character encoding (which maps between byte strings and integers) and a particular coded character set (which maps between integers and characters). For example: ASCII (the ASCII coded character set, encoded directly as single-byte values), or UTF-8 (the Unicode coded character set, encoded with an 8-bit transformation method). 2. Occasionally: a character repertoire; or a coded character set. (1998-12-17)