from The American Heritage® Dictionary of the English Language, 4th Edition

  • transitive v. To take away (a quantity) from another; subtract.
  • transitive v. To derive by deduction; deduce.
  • intransitive v. To take away a desirable part: Poor plumbing deducts from the value of the house.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • v. To take one thing from another; remove from; make smaller by some amount.

from the GNU version of the Collaborative International Dictionary of English

  • transitive v. To lead forth or out.
  • transitive v. To take away, separate, or remove, in numbering, estimating, or calculating; to subtract; -- often with from or out of.
  • transitive v. To reduce; to diminish.

from The Century Dictionary and Cyclopedia

  • To lead forth or away; deduce; conduct.
  • To trace out; set forth.
  • To bring down; reduce.
  • To take away, separate, or remove in numbering, estimating, or calculating; subtract, as a counterbalancing item or particular: as, to deduct losses from the total receipts; from the amount of profits deduct the freight-charges.
  • Synonyms Deduct, Subtract. These words cannot properly be used interchangeably. Deduct is to lead away, set aside, in a general or distributive sense; subtract, to draw off, remove, in a literal or collective sense. In settling a mercantile account, certain items, as charges, losses, etc., are deducted by being added together and their total subtracted from the grand total of the transaction. From a parcel of goods of known value or number articles are subtracted or literally taken away as required; the value or number of the remainder at any time may be ascertained by deducting the value or number of those taken from the original package; and this again is effected by subtracting the figures representing the smaller amount from those representing the larger.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • v. make a subtraction
  • v. retain and refrain from disbursing; of payments
  • v. reason by deduction; establish by deduction


from The American Heritage® Dictionary of the English Language, 4th Edition

Middle English deducten, from Latin dēdūcere, dēduct-, to lead away or down; see deduce.

from Wiktionary, Creative Commons Attribution/Share-Alike License

From Latin deductus, perfect passive participle of verb deducere ("lead from").


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