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.
Like most trends , the appeal of import-styled cars eventually fizzled out , and General Motors made the decision to dissolve the Geo brand in 1998.During the division âs operation , the brand created several popular cars for the public , including the Prizm and the Geo Metro , with varying degrees of success.The Geo Tracker ( essentially the same ...
Eyeglasses History. The first vision aid, called a reading stone, was invented around 1000 AD. The reading stone was a glass sphere that was laid on top of the reading material to magnify the letters. The first wearable eye glasses were invented around 1284 in Italy. It is thought that Salvino D'Armate was their inventor.