Definition of "subtract" [sub•tract]

• To take away; deduct. (verb-transitive)
• To perform the arithmetic operation of subtraction. (verb-intransitive)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "Either way, feel free to add or subtract from the amount of nutmeg given to suit your individual tastes."
• "Homosexuality to me, does not subtract from the key issue of exploitation that this industry fosters, mainly towards women."
• "One tax I forgot to subtract from the worker's wage is the amount of the tariff."