summation vs sum

sum vs summation

summation and sum both are nouns.

summation is not a verb while sum is a verb.

Word	Noun	Adjective	Verb	Adverb
summation	Yes	No	No	No
sum	Yes	No	Yes	No

As nouns, summation and sum are synonyms defined as:

summation and sum: the final aggregate

Other synonyms of summation include sum total.

summation (noun)	sum (noun)
the arithmetic operation of summing; calculating the sum of two or more numbers	the whole amount
a concluding summary (as in presenting a case before a law court)	the choicest or most essential or most vital part of some idea or experience
the final aggregate	a quantity obtained by the addition of a group of numbers
(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 final aggregate
	a set containing all and only the members of two or more given sets
	a quantity of money

summation (verb)	sum (verb)
	determine the sum of
	be a summary of

Difference between summation and sum

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