What is dual

dual master cylinder

Glossary “dual master cylinder” Definition:
A master cylinder, associated with a dual-brake system, having two sections for displacing fluid under pressure; generally one section for front brakes and one section for rear brakes or, in some applications, one for left brakes and the other for right brakes.

dual fuel engine

Glossary “dual fuel engine” Definition:
1). Engine designed to run on two separate fuels, such as gasoline or propane. 2). Engine designed to run on two fuels simultaneously, such as gasoline, alcohol, or a combination of the two.