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1. A concluding summary (as in presenting a case before a law court)
   - summing up, rundown
    
2. (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
    
3. The final aggregate
   - sum, sum total
    
4. The arithmetic operation of summing; calculating the sum of two or more numbers
   "the summation of four and three gives seven"
   - addition, plus

Derived forms: summations

See also: sum, summational

Type of: accumulation, aggregation, arithmetic operation, assemblage, biological process, collection, organic process, summary, sum-up

Encyclopedia: Summation