underfire

Meaning

1. verb To heat from below.
2. verb To intentionally operate a boiler, furnace, oven, etc., at a low level.
3. verb To burn fuel at less than the desired level, thus not providing heat efficiently.
4. verb To fire at a low (or excessively low) temperature.

Similar words

underheat underfeed underlive underburn underoil suffumigate underdig undergo uplight underroot

Often followed by

air and