Antonyms of noun subtraction

1 of 2 senses of subtraction

Sense 2
subtraction, deduction -- (the act of subtracting (removing a part from the whole); "he complained about the subtraction of money from their paychecks")
       Antonym of addition (Sense 2)
      => addition -- (the act of adding one thing to another; "the addition of flowers created a pleasing effect"; "the addition of a leap day every four years")

Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun subtraction

2 senses of subtraction

Sense 1
subtraction, minus -- (an arithmetic operation in which the difference between two numbers is calculated; "the subtraction of three from four leaves one"; "four minus three equals one")
       => arithmetic operation -- (a mathematical operation involving numbers)

Sense 2
subtraction, deduction -- (the act of subtracting (removing a part from the whole); "he complained about the subtraction of money from their paychecks")
       => decrease, diminution, reduction, step-down -- (the act of decreasing or reducing something)

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