Hot-bulb | Article about hot-bulb by The Free Dictionary
Pertaining to an ignition method used in semidiesel engines in which the fuel mixture is ignited in a separate chamber kept above the ignition temperature by the heat of compression.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
References in periodicals archive
In 1889, to provide more hold space, the hull was extended to 150ft and in 1914 the steam engine was replaced by a Swedish Bolinder four-cylinder hot-bulb
semi-diesel, today the largest and oldest of its kind in the world.