underfiring
un·der·fir·ing
Intentional operation of a boiler, furnace, oven, etc., at a low levelIntentional operation of a boiler, furnace, oven, etc., at a low level.
UK/ˌʌndəːˈfaɪəɹɪŋ/US/ˌʌndɚˈfaɪəɹɪŋ/
Meaning
4 senses(uncountable)Intentional operation of a boiler, furnace, oven, etc., at a low level.
(uncountable)The state of not burning fuel at the desired level, and thus not providing heat efficiently.
(also, attributive, uncountable)Heating from below.
(uncountable)The state of being insufficiently fired or underfired.
Origin
From under- (prefix meaning ‘beneath; insufficient’) + firing, or underfire + -ing (suffixFrom under- (prefix meaning ‘beneath; insufficient’) + firing, or underfire + -ing (suffix forming nouns from verbs denoting the act of doing something, an action, or the embodiment of an action).
Wiktionary, CC BY-SA 4.0 · source
Antonyms
1 antonymsoverfiring
Lessons for this word
1 lessons- A1Countable and uncountable nouns — Because it can be uncountable