from The Century Dictionary and Cyclopedia
- n. In steam-boilers, the aggregate surface of the boiler exposed to the action of the fire. Also called heating-surface.
Sorry, no etymologies found.
Rodney's imperfect manoeuvre this inestimable advantage, that by the very act of breaking the line you threw upon the severed portion an overwhelming attack of the most violent kind, and with the utmost development of fire-surface.