1 A number or symbol multiplied with a variable or an unknown quantity in an algebraic term, as 4 in the term 4 x, or x in the term x (a &plus; b). 2  A numerical measure of a physical or chemical property that is constant for a system under specified conditions, such as the coefficient of friction.
Select a Geo Prizm Year. The 1997 Geo Prizm is essentially a repackaged version of the Toyota Corolla. The 1996 Geo Prizm is an entry-level compact car that was introduced in 1989. The 1995 Geo Prizm remains one of the most pragmatic cars on the market.
Liquid crystals were actually discovered over 100 years ago, but they did not find commercial applications until the invention of the twisted nematic (TN) LCD by Schadt and Helfrich in 1971 (Schadt and Helfrich, 1971). Nematic liquid crystals have a short-range order and have some of the properties of uniaxial crystals.