被ひ減げん数すうひげんすうMeanings1nounminuendmathematicsIn subtraction, the number from which another number (the subtrahend) is subtracted. A technical term used in mathematics.式しき「5 − 3」では、5が被ひ減げん数すうです。In the expression '5 − 3', 5 is the minuend.