- steam direct from the boiler and at full pressure, ready for use in work.
- steam that has performed no work or only part of its work.
Origin of live steam
An Americanism dating back to 1870–75
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for live steam
Historical Examples of live steam
He peeled off the helmet and unzipped the suit which was reaching the thermal levels of a live-steam bath.Master of the Moondog
- steam supplied directly from a boiler at full pressure, before it has performed any work