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)