AAA battery

noun

: a small battery that is typically used in small electronic devices and that is standardized at 44 mm in length and 10.5 mm in diameter

called also AAA, AAA cell, triple-A, triple-A battery

Examples of AAA battery in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
The problem is that the clamp has an enormous, heavy battery compartment to house the three AAA batteries this light takes. Simon Hill, Wired News, 29 July 2025 Unlike the vast majority of premium wireless gaming mice on the market, which have built-in batteries, the wireless Gen 2 uses a pair of AAA batteries (included with your purchase), which are rated for up to 400 hours of use. PC Magazine, 26 July 2025 Key features: 10x magnification, 42mm objective lens, image stabilization (IS), porro prisms, 59.2-degree field of view, fully multi-coated lenses, +/- 0.8-degree correction angle, 2.5 hour battery life (two AAA batteries), waterproof (WP) and immersion resistant up to one meter. Harry Bennett, Space.com, 11 July 2025 Each candle is powered by two AAA batteries, which are not included. Maya Handelsman, Better Homes & Gardens, 11 June 2025 See All Example Sentences for AAA battery

Word History

First Known Use

1960, in the meaning defined above

Time Traveler
The first known use of AAA battery was in 1960

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Cite this Entry

“AAA battery.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/AAA%20battery. Accessed 5 Aug. 2025.

Last Updated: - Updated example sentences
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