from The Century Dictionary and Cyclopedia
- n. A chamber at the end of the cylinder of an internal-combustion engine where the charge is compressed and ignited; the clearance-space of an internal-combustion engine.
Sorry, no etymologies found.
A charge of powder, or other explosive, of varying weight P lb, is fired in an explosion-chamber (fig. 7, scale about 1/5) of which the volume C, cub. in., is known accurately, and the pressure p, tons per sq. in., was recorded by a crusher-gauge (fig. 6).