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deduct

[dih-duhkt]
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verb (used with object)
  1. to take away, as from a sum or amount: Once you deduct your expenses, there is nothing left.
verb (used without object)
  1. detract; abate (usually followed by from): The rocky soil deducts from the value of his property.

Origin of deduct

1375–1425; late Middle English < Latin dēductus brought down, withdrawn, past participle of dēdūcere; see deduce
Related formspre·de·duct, verb (used with object)un·de·duct·ed, adjective
Can be confuseddeduce deduct

Synonyms

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1. See subtract.

Antonyms

add.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

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British Dictionary definitions for deduct

deduct

verb
  1. (tr) 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

Word Origin and History for deduct

v.

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