sanitizer

noun

san·​i·​tiz·​er ˈsa-nə-ˌtī-zər How to pronounce sanitizer (audio)
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.
These stylish hand sanitizer sprays from Touchland make things more fun and fashionable, meaning your mom may actually remember (and want) to pack it and take it out on planes and in public spaces where it's needed most. Aly Walansky, Travel + Leisure, 27 Apr. 2026 The dishwasher had no sanitizer. David J. Neal, Miami Herald, 24 Apr. 2026 The facility had no sanitizer in the bin at the three compartment sink. Veronica Fernandez-Alvarado april 24, Sacbee.com, 24 Apr. 2026 Jackson County Public Health is rolling out a series of vending machines that will contain free health items, like fentanyl test strips, first aid kits, condoms, hand sanitizer, and Naloxone, the life-saving drug that can reverse an opioid overdose. Nathan Pilling, Kansas City Star, 22 Apr. 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

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Cite this Entry

“Sanitizer.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/sanitizer. Accessed 2 May. 2026.

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