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.
Alkali is a basic, ionic salt of an alkali metal or alkaline earth metal element. Alkalis are best known for being bases that dissolve in water. (Most common form is hydroxide â¦ .) A base is most commonly thought of as an aqueous substance that can accept H+ ions. base dissolves to make an alkali. Added:   Statement: All alkali are bases but not all bases are alkaliAlkali is a basic, ionic salt of an alkali metal or alkaline â¦ earth metal element. Alkalis are best known for being bases that dissolve in water.