underfire: Word of the day for December 30, 2016

underfire , v :
(transitive, intransitive) To heat from below. (transitive) To intentionally operate a boiler, furnace, oven, etc., at a low level. (intransitive) Not burning fuel at the desired level, and thus not providing heat efficiently. (transitive, ceramics) To fire at a low (or excessively low) temperature.
December 30, 2016