/di dukt"/ , v.t.
1. to take away, as from a sum or amount: Once you deduct your expenses, there is nothing left.
v.i.
2. detract; abate (usually fol. by from ): The rocky soil deducts from the value of his property.
[ 1375-1425; late ME deductus brought down, withdrawn, ptp. of deducere; see DEDUCE ]
Syn. 1. See subtract .
Ant . add.