from The Century Dictionary and Cyclopedia
- n. The steam allowed to escape from the cylinder of an engine after it has produced motion of the piston. Also called exhaust.
Sorry, no etymologies found.
If, therefore, exhaust-steam be discharged into the bottom of a vessel containing caustic alkali, not only will it become condensed, but this condensation will raise the temperature of the mass so high that it may be employed in the generation of fresh steam.
Beside him Shirley sat, her glance bent musingly out across the roofs of Sequoia and on to the bay shore, where the smoke and exhaust-steam floated up from two sawmills -- her own and Bryce Cardigan's.
Yes, undoubtedly it was the throbbing of machinery and the quick, muffled puffing of exhaust-steam.