8 letters · 11 points in Scrabble
noun any substance that tends to increase the flow of urine, which causes the body to get rid of excess water
originFrom Middle English diuretyk, from Old French diuretique; ultimately from Ancient Greek διουρητικός (diourētikós). By surface analysis, diuresis + -etic.
Etymology from Wiktionary, CC BY-SA 3.0