noun
Computing term for a name or label that uniquely identifies an entity, such as a variable, function, or object.
プログラミングでは、変数に一意名を付ける必要がある。
In programming, you need to give a unique identifier to a variable.
Compound of 一意 (unique, one meaning) and 名 (name). The exact origin is uncertain; it appears to be a technical coinage in computing contexts.