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 means that the pH is greater than 7. Alkalinity is the true measure of acid-neutralizing capacity which includes the bicarbonate (HCO 3-1), carbonate (CO 3-2) and hydroxide (OH-1) ions. It is measured in mg/l or ppm as CaCO 3. Alkalinity of natural water is determined by the soil and bedrock through which it passes.