sterilizer: meaning, definition, pronunciation and examples
Medium FrequencyNeutral to Technical
Quick answer
What does “sterilizer” mean?
A device or machine that uses heat, chemicals, or radiation to destroy all microorganisms, making objects sterile and safe from biological contamination.
Audio
Pronunciation
Definition
Meaning and Definition
A device or machine that uses heat, chemicals, or radiation to destroy all microorganisms, making objects sterile and safe from biological contamination.
A device used to eliminate all forms of microbial life, including bacteria, viruses, fungi, and spores, often applied to medical instruments, baby bottles, laboratory equipment, or surfaces in food processing.
Dialectal Variation
British vs American Usage
Differences
Spelling: 'sterilizer' is standard in American English. British English prefers 'steriliser'. The function and referents are identical.
Connotations
In both varieties, strongly associated with medical safety, hygiene, and infant care. No significant difference in connotation.
Frequency
Slightly more frequent in British English in domestic contexts (e.g., baby bottle steriliser). In American English, 'autoclave' is a more common technical synonym in medical/lab contexts.
Grammar
How to Use “sterilizer” in a Sentence
[subject] uses a sterilizer to VERBThe sterilizer [operates/runs] for [time period]Place [object] in the sterilizerVocabulary
Collocations
Examples
Examples of “sterilizer” in a Sentence
verb
British English
- The new clinic will sterilise its equipment on-site.
- Hospitals must regularly sterilise reusable tools.
American English
- The new clinic will sterilize its equipment on-site.
- Hospitals must regularly sterilize reusable tools.
adverb
British English
- The bottles were hygienically sterilised.
- The equipment was quickly sterilised.
American English
- The bottles were hygienically sterilized.
- The equipment was quickly sterilized.
adjective
British English
- The sterilising solution is highly effective.
- We followed the sterilising protocol.
American English
- The sterilizing solution is highly effective.
- We followed the sterilizing protocol.
Usage
Meaning in Context
Business
Manufacturers of medical devices market autoclaves and UV sterilisers to hospitals and clinics.
Academic
The efficacy of the novel low-temperature plasma sterilizer was compared to traditional steam autoclaving.
Everyday
We need to put the baby's dummies in the steriliser after they fall on the floor.
Technical
Prior to the surgical procedure, all instruments undergo a full cycle in the pre-vacuum steam sterilizer.
Watch out
Common Mistakes When Using “sterilizer”
- Misspelling: 'sterlizer', 'sterializer'.
- Confusing 'sterilizer' (noun, device) with 'sterilize' (verb, action).
- Using 'sterilizer' for a person who performs sterilization (correct term is 'sterilization technician').
FAQ
Frequently Asked Questions
No. A dishwasher uses hot water and detergent to clean, but it does not reliably achieve the complete destruction of all microorganisms required for sterility, especially against heat-resistant bacterial spores.
Typically, no. The device is a 'sterilizer'. The chemical agent used within it or for cold sterilization is called a 'sterilant' (e.g., hydrogen peroxide plasma, peracetic acid).
Sterilization destroys ALL microbial life, including spores. Disinfection reduces the number of pathogenic microorganisms to a safe level but does not eliminate all spores or viruses. A sterilizer is designed for the former process.
For general household cleaning, no. Disinfection is sufficient. Sterilizers are common in homes with infants (for bottles/teats) or for specific medical needs (e.g., for wound care equipment), as they provide a higher level of safety against pathogens.
A device or machine that uses heat, chemicals, or radiation to destroy all microorganisms, making objects sterile and safe from biological contamination.
Sterilizer is usually neutral to technical in register.
Sterilizer: in British English it is pronounced /ˈstɛr.ɪ.laɪ.zə/, and in American English it is pronounced /ˈster.ə.laɪ.zɚ/. Tap the audio buttons above to hear it.
Phrases
Idioms & Phrases
- “[None directly associated. Conceptually linked to 'clean slate' or 'sterile environment'.]”
Learning
Memory Aids
Mnemonic
Think: 'STERILE' (free from germs) + '-IZER' (a thing that makes). A sterilizer makes things sterile.
Conceptual Metaphor
A GUARDIAN against invisible threats (germs). A FURNACE/CLEANSER that burns or washes away impurity.
Practice
Quiz
Which of the following is the MOST specific technical synonym for a steam-based medical instrument sterilizer?