a component that is added to something to improve it; "the addition of a bathroom was a major improvement"; "the addition of cinnamon improved the flavor" (同)add-on, improver
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"
a suburban area laid out in streets and lots for a future residential area
a quantity that is added; "there was an addition to property taxes this year"; "they recorded the cattles gain in weight over a period of weeks" (同)increase, gain
(physiology) the process whereby multiple stimuli can produce a response (in a muscle or nerve or other part) that one stimulus alone does not produce
the arithmetic operation of summing; calculating the sum of two or more numbers; "the summation of four and three gives seven"; "four plus three equals seven" (同)addition, plus
a concluding summary (as in presenting a case before a law court) (同)summing up, rundown