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.
James Ayscough began experimenting with tinted lenses in spectacles in the mid-18th century, around 1752. These were not sunglasses as that term is now used; Ayscough believed that blue- or green-tinted glass could correct for specific vision impairments. Protection from the Sun's rays was not a concern for him.