sterilizer

noun

ster·​il·​iz·​er ˈster-ə-ˌlī-zər 

plural sterilizers

: one that sterilizes something: such as

a

: an apparatus for destroying viable microorganisms (as by the use of steam or dry heat) compare autoclave, sterilant

b

: a person whose work involves sterilizing something (such as medical equipment)

Examples of sterilizer in a Sentence

Recent Examples on the Web

Baby gear now spans heaters, sterilizers, monitors, heart-rate trackers, and smart toys, often adding up to thousands of dollars. —Maria Bolevich, Interesting Engineering, 7 Dec. 2025

Many hotels even provide baby monitors, bottle warmers, changing tables, sterilizers, baby-safe bath amenities, and even diapers. —Iona Brannon, Travel + Leisure, 10 Nov. 2025

The resort’s Baby Concierge provides useful items such as cribs, door protectors, potty chairs, bottle sterilizers, and safety gates. —Allison Tibaldi, USA Today, 1 Nov. 2025

Last year, the EPA imposed stricter limits on the chemical, which is used as a sterilizer. —Sharon Lerner, CNN Money, 22 Aug. 2025

Word History

First Known Use

1839, in the meaning defined above

Rhymes for sterilizer

• advertiser
• analyser
• analyzer
• appetizer
• atomizer
• breathalyzer
• colonizer
• crystallizer
• digitizer
• equalizer
• fertilizer
• localizer

Kids Definition

sterilizer

noun

ster·​il·​iz·​er

ˈster-ə-ˌlī-zər

: one that sterilizes something

especially : a device used for sterilizing by steam, boiling water, or dry heat

Medical Definition

sterilizer

noun

ster·​il·​iz·​er

variants also British steriliser

ˈster-ə-ˌlī-zər 

: an apparatus for sterilizing (as by the agency of steam, ultraviolet radiation, or chemicals)