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summation

 
Noun summation has 4 senses
  1. summation, summing up, rundown - a concluding summary (as in presenting a case before a law court)
    --1 is a kind of summary
    Derived form: verb sum1
  2. 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
  3. 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
  4. 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
    Derived form: verb sum2
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