/ dɪˈdʌkt; NAmE / verb
[ vn ] [ often passive ] deduct sth (from sth) to take away money, points, etc. from a total amount
SYN subtract :
The cost of your uniform will be deducted from your wages.
Ten points will be deducted for a wrong answer.
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WORD ORIGIN
late Middle English : from Latin deduct- taken or led away, from the verb deducere , from de- down + ducere lead. Deduct and deduce were not distinguished in sense until the mid 17th cent.