n. 被减数

[计] 被减数

[ noun ]
the number from which the subtrahend is subtracted
<noun.quantity>

minuend \min"u*end\, n. [L. minuendus to be diminished, fr.
minuere to lessen, diminish. See {Minish}.] (Arith.)
In the process of subtraction[2], the number from which
another number (the subtrahend) is to be subtracted, to find
the difference.
[1913 Webster +PJC]