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[dih-duhkt] /dɪˈdʌkt/
verb (used with object)
to take away, as from a sum or amount:
Once you deduct your expenses, there is nothing left.
verb (used without object)
detract; abate (usually followed by from):
The rocky soil deducts from the value of his property.
Origin of deduct
late Middle English
1375-1425; late Middle English < Latin dēductus brought down, withdrawn, past participle of dēdūcere; see deduce
Related forms
prededuct, verb (used with object)
undeducted, adjective
Can be confused
deduce, deduct.
1. See subtract.
add. Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the Web for deduct
Contemporary Examples
Historical Examples
  • I see Miss Barbara's eyes red like morning sky and I deduct.

    The Yellow God H. Rider Haggard
  • Mrs. Crampton had orders to deduct the price of the glass from her wages. '

    Doctor Luttrell's First Patient Rosa Nouchette Carey
  • He prefers to accept our estimate of the interval as authentic, and to deduct each hour as it passes.

    When Ghost Meets Ghost William Frend De Morgan
  • You charge them for everything you give them, and deduct that from their wages.

    A Slave is a Slave Henry Beam Piper
  • If not, they could deduct the value of the lace from her earnings.

    Felix O'Day F. Hopkinson Smith
British Dictionary definitions for deduct


(transitive) to take away or subtract (a number, quantity, part, etc): income tax is deducted from one's wages
Word Origin
C15: from Latin dēductus, past participle of dēdūcere to deduce
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word Origin and History for deduct

early 15c., from Latin deductus, past participle of deducere "lead down, bring away;" see deduce, with which it formerly was interchangeable. Technically, deduct refers to taking away portions or amounts; subtract to taking away numbers. Related: Deducted; deducting.

Online Etymology Dictionary, © 2010 Douglas Harper
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