triple-expansion
[ trip-uh l-ik-span-shuh n ]
/ ˌtrɪp əl ɪkˈspæn ʃən /
adjective
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.
Words nearby triple-expansion
triple voile,
triple witching hour,
triple-decker,
triple-digit,
triple-double,
triple-expansion,
triple-header,
triple-nerved,
triple-space,
triple-tongue,
triplegia