Speed Skiers. Speed skiers, who dress in aerodynamic apparel and ski straight down the mountain sans turning, go as fast as 120 - 150 miles per hour. World record holders, like Italy's Simone Origone, have reached 156.2 miles per hour.
Wiktionary(0.00 / 0 votes)Rate this definition: 1  alkaline(Noun) An alkaline battery. 2  alkaline(Adjective) Of, or relating to an alkali, one of a class of caustic bases. 3  alkaline(Adjective) Having a pH greater than  7.
Alkaline diet. Alkaline diet (also known as the alkaline ash diet, alkaline acid diet, acid ash diet, and the acid alkaline diet) describes a group of loosely related diets based on the incorrect belief that certain foods can affect the acidity (pH) of the body and can therefore be used to treat or prevent disease.