SUBTRACT

subtract

(verb) take off or away; “this prefix was subtracted when the word was borrowed from French”

subtract, deduct, take off

(verb) make a subtraction; “subtract this amount from my paycheck”

Source: WordNet® 3.1

Etymology

Verb

subtract (third-person singular simple present subtracts, present participle subtracting, simple past and past participle subtracted)

(transitive, arithmetic) To remove or reduce; especially to reduce a quantity or number

Synonyms

• unadd

Antonyms

• add

Source: Wiktionary

Sub*tract", v. t. [imp. & p. p. Subtracted; p. pr. & vb. n. Subtracting.] Etym: [L. subtractus, p.p. of subtrahere to draw from beneath, withdraw, remove; sub under + trahere to draw. See Trace, v. t., and cf. Substract.]

Definition: To withdraw, or take away, as a part from the whole; to deduct; as, subtract 5 from 9, and the remainder is 4.

Source: Webster’s Unabridged Dictionary 1913 Edition