noun
Computing term for the value automatically used when no explicit value is provided.
この設定の省略時値は「オフ」です。
The default value for this setting is 'off'.
引数を指定しないと、省略時値が使われます。
If you don't specify an argument, the default value will be used.
More common loanword equivalent; 省略時値 is a native Japanese technical term used in similar contexts.
Compound of 省略 (omission) + 時 (time) + 値 (value), literally 'value at time of omission'.