triple expansion engine

noun

1. (formerly) a steam engine in which the steam is expanded in three stages in cylinders of increasing diameter to accommodate the increasing volume of the steam

Example Sentences

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

From Project Gutenberg

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

From Project Gutenberg

The ship was driven by steam, the triple-expansion engine being 500-horse power and the rate of speed twenty-five miles an hour.

From Project Gutenberg

In the triple expansion-engine the steam expands from the second cylinder into a third, still larger.

From Project Gutenberg

The triple-expansion engine is cutting down ocean freight, making distance of no account.

From Project Gutenberg