Word.ws English Dictionary

APU

APU is the initialism of auxiliary power unit.

APU is the initialism of Azusa Pacific University.

Meaning of auxiliary power unit

Noun

auxiliary power unit (plural auxiliary power units)

  1. 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.

Forms of APU

Noun
pluralAPUs
Proper noun
pluralAPUs

Phrases with APU

Questions about APU

What is APU the initialism of?
APU is the initialism of auxiliary power unit.

Words near APU in the dictionary

  1. APTUs
  2. aptyalia
  3. aptyalism
  4. aptychi
  5. aptychus
  6. APU
  7. apu mallku
  8. apu mallkus
  9. apuanite
  10. apud
  11. APUD cell

Source and license

Adapted from Wiktionary: APU (page history and authors); auxiliary power unit (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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Cite this entry: “APU.” Word.ws, https://word.ws/apu. Based on Wiktionary, CC BY-SA 4.0.