Definify.com
Webster 1913 Edition
Heating
Heat′ing
(hēt′ĭng)
, Adj.
That heats or imparts heat; promoting warmth or heat; exciting action; stimulating;
as,
. heating
medicines or applicationsHeating 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
.Webster 1828 Edition
Heating
HE'ATING
,ppr.
1.
Tending to impart heat to; promoting warmth or heat; exciting action; stimulating; as heating medicines or applications.