Meaning of RATIO in English
A fixed relationship between things in number, quantity or degree. For example, if the fuel mixture contains one part of gas for fifteen parts of air, the ratio would be 15 to 1. See a/f ratio air-fuel ratio aspect ratio compression ratio final drive ratio fuel-air ratio gear ratio power-to-weight ratio rear axle ratio steering overall ratio steering ratio .
English dictionary of automotive terms. Английский словарь автомобильных терминов. 2012