autovac

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noun

A device that uses vacuum to raise fuel from the main tank to a small auxiliary tank, from which it flows by gravity to the carburetor, eliminating the (then often unreliable) fuel pump.

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Meanings

nounautovac (plural autovacs)

plural autovacs

  1. historicalautomotiveA device that uses vacuum to raise fuel from the main tank to a small auxiliary tank, from which it flows by gravity to the carburetor, eliminating the (then often unreliable) fuel pump.
Cite this entry
APA

autovac. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/autovac

MLA

“autovac.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/autovac. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “autovac,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/autovac.

Source: autovac on Wiktionary, CC BY-SA 4.0.