forced air
Air that is heated and directed through ducts, plenums, etcAir that is heated and directed through ducts, plenums, etc. to the rooms in a building, as a form of central heating.
Meaning
1 senses(uncountable)Air that is heated and directed through ducts, plenums, etc. to the rooms in a building, as a form of central heating.
Lessons for this word
1 lessons- A1Countable and uncountable nouns — Because it can be uncountable