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.
Water, when found in nature springs and aquifers, is naturally alkaline often due to the presence of alkaline minerals like calcium, magnesium, potassium and sodium. Alkaline is defined as having a pH value greater than 7.0. pH stands for potential for hydrogen, pH is a measure of the acidity or alkalinity of a solution. The pH scale runs from 0 to 14, with 7.0 considered neutral. pH values below 7.0 are considered acidic, and pH values above 7.0 are considered alkaline.