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 pertaining to a basic substance. Alkali means that the substance is a base. Alkaline Earth metals are actually the metals that are derived from alkaline minerals such as slake, limestone, etc. that are found naturally in the earth.Alkali metals form bases [ex: NaOH] that when mixed with an acid become neutralized and form naturally occurring salts.Source(s): Mo'Ni Â· 5 years ago.lkaline means pertaining to a basic substance. Alkali means that the substance is a base. Alkaline Earth metals are actually the metals that are derived from alkaline minerals such as slake, limestone, etc. that are found naturally in the earth.