the act of constructing something (as a piece of machinery)
the act of making something (a product) from raw materials; "the synthesis and fabrication of single crystals"; "an improvement in the manufacture of explosives"; "manufacturing is vital to Great Britain"
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"
a concluding summary (as in presenting a case before a law court)
(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