9 letters · 13 points in Scrabble
noun a concluding summary (as in presenting a case before a law court)
noun (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
noun the final aggregate
originEtymology tree English sum Proto-Indo-European *-tis Proto-Indo-European *-Hō Proto-Indo-European *-tiHō Proto-Italic *-tiō Latin -tiō Latin -ātiōlbor. Old French -ationbor. Middle English -acioun English -ation English summation From sum + -ation.
Etymology from Wiktionary, CC BY-SA 3.0