English Reference

Word

sterilization

Phoneticsster·il·iza·tion

/ˌstɛɹəɫəˈzeɪʃən/

Definition

n. the process of making something completely clean by killing all bacteria and germs. It can also mean a medical operation that makes a person or animal unable to have babies.

n. the process of making an object or environment free from all living microorganisms, typically through heat, chemicals, or radiation. In a biological context, it refers to any procedure that renders an individual incapable of reproduction.

Examples

“The nurse checked the sterilization of the surgical tools.”

“Proper sterilization of medical equipment is essential to prevent the spread of infection during surgery.”

“The hospital implemented a rigorous protocol for the sterilization of all reusable instruments, utilizing high-pressure steam to ensure the total elimination of pathogens.”

Examples

simple

“The nurse checked the sterilization of the surgical tools.”

contextual

“Proper sterilization of medical equipment is essential to prevent the spread of infection during surgery.”

complex

“The hospital implemented a rigorous protocol for the sterilization of all reusable instruments, utilizing high-pressure steam to ensure the total elimination of pathogens.”

Usage

Uncountable when referring to the general process; can be countable when referring to specific medical procedures.

Real-World Examples

“Even rigorous sterilization cannot eliminate every hardy organism.”
ScienceDaily · 25 Aug 2026
“Even with strict sterilization procedures, some organisms are stubbornly resilient.”
Phys.org · 19 Aug 2026

Etymology

From sterile + -ization or sterilize + -ation.

Etymology adapted from Wiktionary, available under CC BY-SA 4.0.

This entry

Level
C1 · Advanced
Frequency
Occasional
Updated

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English Reference