substitute kanji; replacement kanji
A kanji used in place of another, typically a jōyō kanji replacing a non-jōyō kanji in modern writing. Often seen in official or educational contexts.
See also: 代用漢字
The kanji 両 is used as a substitute for 輛 in 車輛.
The jōyō kanji list sometimes permits the use of substitute kanji.
The set of commonly used kanji; 代用字 are often chosen from this list to replace non-jōyō kanji.
Compound of 代用 (substitute) and 字 (character). The term is a modern coinage related to kanji usage policies.