noun
explicit conversion
In computing, a type conversion explicitly specified by the programmer, as opposed to implicit conversion.
C言語では、明示変換にキャスト演算子を使う。
In C, you use a cast operator for explicit conversion.
Implicit conversion, performed automatically by the compiler or runtime without explicit programmer instruction.
Compound of 明示 (explicit) and 変換 (conversion), a technical term in computing.