plural sanitizers
: a substance or product that is used to reduce or eliminate pathogenic agents (such as bacteria) on surfaces
Sales of alcohol-based hand sanitizers were up nearly 17% as of the first week of September compared to the same period last year …—Laura Landro
"Carvacrol could potentially be used as a food sanitizer … particularly in conjunction with other antimicrobials," says Kelly Bright, associate research scientist in the department of soil, water, and environmental science at the University of Arizona.—Daniel Stolt
also : a device used in sanitizing
This ozone-generating sanitizer looks like a miniature tanning bed for your manual toothbrush—and it emits ultraviolet light (UV) to kill 99.9 percent of brush germs. —Malinda Govoni
Among the equipment that impressed him: … A wall-mounted food sanitizer that diverts water from the sink tap and charges it with ozone before dispensing it through the aerator for produce cleaning. —Howard Riell

Examples of sanitizer 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.
Two containers of soap and one bottle of sanitizer lacked the common name of the chemical. — Arkansas Online, 12 Oct. 2026 The meat department’s three-compartment sink’s sanitizer wasn’t strong enough. — David J. Neal, Miami Herald, 10 Oct. 2026 An employee did not have adequate knowledge of manual warewashing procedures, sanitizer use and handwashing procedures and requirements. — Sacbee.com, 9 Oct. 2026 The trademark was filed for products including acne treatments, cleansers, moisturizers, SPFs, cosmetics, perfumes, and hair and body care products including soaps and shampoos, among other beauty products including hand sanitizers. — Noor Lobad, Footwear News, 6 Oct. 2026 See All Example Sentences for sanitizer

Word History

First Known Use

1911, in the meaning defined above

Time Traveler
The first known use of sanitizer was in 1911

Browse Nearby Words

Cite this Entry

“Sanitizer.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/sanitizer. Accessed 20 Oct. 2026.

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