noun
parameter entity
Technical computing term used in contexts such as XML or SGML to refer to a named entity that can be referenced in a DTD.
XMLのDTDでは、引数実体を使ってマークアップの断片を再利用できる。
In an XML DTD, parameter entities can be used to reuse markup fragments.
Compound of 引数 (parameter) and 実体 (entity), likely a direct translation of the English computing term 'parameter entity'.