manganese

(mahjong) a win by counting five 飜 (han), or three/four han with the required number of 符 (fu); worth 12,000 points if the winning player is on the East (dealer) side or 8,000 points otherwise

(minerology) mineral / mineral, inorganic matter / (nutrition) mineral

important, significant

importance, consequence, significance

health

healthy, fit

needed, necessary

need, necessity

mineral water (water containing dissolved minerals)