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
These do need AAA batteries, however, which aren't included.
—
Nena Farrell, Wired News, 8 Apr. 2026
This system includes a rechargeable battery that lasts around four months, and comes with a set of AAA batteries in case of emergencies.
—George Yang, PC Magazine, 31 Mar. 2026
To put that in perspective, the largest spike is roughly the length of a AAA battery, protruding from the skin of an animal about the size of an alligator.
—Ryan Brennan, Kansas City Star, 12 Feb. 2026
Melissa & Doug Doctor Dress-Up Set This realistic doctor’s coat has everything your aspiring doctor needs to give their patients a check-up, including a face mask, a stethoscope with sound effects (AAA batteries not included), thermometer, syringe, reflex hammer, and reusable name tag.
—Katrina Cossey, Parents, 1 Oct. 2025
See All Example Sentences for AAA battery
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Nena Farrell, Wired News, 8 Apr. 2026
This system includes a rechargeable battery that lasts around four months, and comes with a set of AAA batteries in case of emergencies.
—George Yang, PC Magazine, 31 Mar. 2026
To put that in perspective, the largest spike is roughly the length of a AAA battery, protruding from the skin of an animal about the size of an alligator.
—Ryan Brennan, Kansas City Star, 12 Feb. 2026
Melissa & Doug Doctor Dress-Up Set This realistic doctor’s coat has everything your aspiring doctor needs to give their patients a check-up, including a face mask, a stethoscope with sound effects (AAA batteries not included), thermometer, syringe, reflex hammer, and reusable name tag.
—Katrina Cossey, Parents, 1 Oct. 2025
See All Example Sentences for AAA battery
Cite this Entry
“AAA battery.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/AAA%20battery. Accessed 22 Apr. 2026.
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