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auxiliary power unit. In DICTIOUS you will not only get to know all the dictionary meanings for the word
auxiliary power unit, but we will also tell you about its etymology, its characteristics and you will know how to say
auxiliary power unit in singular and plural. Everything you need to know about the word
auxiliary power unit you have here. The definition of the word
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English
Noun
auxiliary power unit (plural auxiliary power units)
- (aviation) A generator in aircraft or other vehicles for providing electric power to various systems, such as lighting, especially when the main engines are not running.
Translations
generator for providing electric power especially when the main engines are not running