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Noun summation has 4 senses
- summation, summing up, rundown - a concluding summary (as in presenting a case before a law court)
--1 is a kind of summary
- summation - (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
--2 is a kind of organic process, biological process
- sum, summation, sum total - the final aggregate; "the sum of all our troubles did not equal the misery they suffered"
--3 is a kind of collection, aggregation, accumulation, assemblage
--3 has particulars: aggregate, congeries, conglomeration
- summation, addition, plus - 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"
--4 is a kind of arithmetic operation