Heat"ing (hēt"&ibreve;ng), a.
That heats or imparts heat; promoting warmth or heat; exciting action;
stimulating; as, heating medicines or
applications.
Heating surface (Steam
Boilers), the aggregate surface exposed
to fire or to the heated products of combustion, esp. of all the
plates or sheets that are exposed to water on their opposite surfaces; --
called also fire surface.
Hear it pronounced