consequence, effect, result, upshot, outcome, event, issue - a phenomenon that follows and is caused by some previous phenomenon; "the magnetic effect was greater when the rod was lengthwise"; "his decision had depressing consequences for business"; "he acted very wise after the event"

epiphenomenon - a secondary phenomenon that is a by-product of another phenomenon

product, production - an artifact that has been created by someone or some process; "they improve their product every year"; "they export most of their agricultural production"