aux

abbreviation

1
auxiliary
Three pairs of … jacks on the rear edge of the chassis are marked CD, aux, and line out.—Daniel Kumin
2
auxiliary verb

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auwe
aux
auxano-
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Cite this Entry

“Aux.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/aux. Accessed 16 Feb. 2026.

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Medical Definition

aux

abbreviation
auxiliary
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