triple-expansion

[ trip-uhl-ik-span-shuhn ]

adjective

1. noting a power source, especially a steam engine, using the same fluid at three successive stages of expansion to do work in three or more cylinders.

Example Sentences

A triple expansion engine has three cylinders using the steam expansively in each one.

From Project Gutenberg

The new engines are of the triple expansion type, and the boilers, which are designed for supplying steam of 150 lb.

From Project Gutenberg

Old Kep had just put new triple-expansion engines into her before she changed hands.

From Project Gutenberg

How does a triple-expansion engine differ from an ordinary steam-engine?

From Project Gutenberg

The engines will be of the triple expansion type, of the best known design, and the guaranteed power will be 3,200.

From Project Gutenberg