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What’s the difference between Disinfection and Sterilization?

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Key Difference: These two methods are more helpful in protecting our life from harmful organisms. Disinfection and sterilization are both processes that are used to eradicate the microorganisms that can cause diseases. Both these methods, specifically disinfection, can reduce the dreadful organisms, but sterilization will have the power to kill the microorganisms.

Microorganisms will contaminate, cause infection, and also leads to decay condition. Disinfection is cleared by using disinfectants which are anti-microbial agents that will eliminate harmful organisms, and also prevents the spread of the infection. Moreover, they are easy to use & handle, powerless, and comparatively low-priced.

In disinfection, there is no need to follow the perfect etiquette. But in sterilization, you have to follow strict etiquette to destroy the microorganisms. Disinfection is used daily, while sterilization is mostly used in labs condition. In this article, you can know the significant differences between Disinfection and Sterilization below passages,

Example sentences of the words “Disinfection & Sterilization”
1. Hypochlorite, is mostly used as a disinfectant in disinfection.
2. Sterilization refers to any process that removes microorganisms.



Disinfection inactivates microorganisms.

A disinfectant is a chemical substance or compound used to inactivate or kill microorganisms on inactive surfaces. It is an anti-microbial agent applied only to non-living items, especially on hard surfaces. Generally, in agriculture, it is used to destroy bacteria, viruses, fungi, mold, or mildew. It is not only used to kill, but it also inhibits growth. This process is called Disinfection.

The Best Example of the Word “Disinfection” is “How do you apply disinfection?”

How do We Spell the Word Disinfectant?

Spell / Pronunciation in which a word or particular language is spoken among people. The Oral representation of the word is “dis-in-fek-shun.”. It would help if you practiced it slowly for the outcome of a perfect spell.

In Latin, the word disinfection is translated as “disinficietionem.” Likewise, there are many differences in the pronunciation of the word Disinfection in multiple languages. Below, you can know by hearing the audio of the phrase Disinfection.


Syllabification is where we split the words into individual vowel sounds. A syllable should have at least one vowel in the word. We are going to see the syllable of the word Disinfection,

  • Wondering if it has four syllables in it.
  • It can split as DIS‑IN‑FECT‑TION.

Using “Disinfectant” in sentences:

  • Smith cleaned the infected area with disinfectant.
  •  Disinfection is a significant step in maintaining a healthy environment.
  •  The doctor advised her to follow strict Disinfection.
  •  All Schools, Colleges, all public places should follow the disinfection method.
  •  Chlorine and Calcium are the chemical disinfectants used for Disinfection.



Sterilization kills microorganisms.

Sterilization is a process that eradicates all microbial life forms and inanimate objects, including highly resistant bacterial endospores. It is performed in medical-care facilities by physical and chemical methods. It prevents disease dissemination associated with the items. It implies the application of heat on the materials like drugs, food, surgical equipment, nutraceuticals, etc.,

The Best Example of the word Sterilization is Chemical Sterilization implies the application of particular chemicals.

How do We Spell the Word Sterilization?

The vocal representation of the word Sterilization is “ster-uh-luh-zay-shun.” How do the UK people spell the word Sterilization? It is “sterilization “. Below, you can know by hearing the audio of the phrase Sterilization, commonly used in the USA.


Syllabification is where we split the words into individual vowel sounds. A syllable should have at least one vowel in the word. For example, we will see the syllable of the phrase Sterilization.

  • Wondering if it has five syllables in it.
  • It can be split as “STER-IL-I-ZA-TION.”

Using “Sterilization” in sentences:

  • Sulfur is used as the sterilized chemical.
  •  Needles should be sent off for Sterilization.
  •  Everyone should correctly use Food Sterilization.
  •  Sterilization is the procedure of killing microorganisms.
  •  The basic principle of steam sterilization is used in an autoclave.

Similarities between Disinfection and Sterilization

The title reveals the difference between Disinfection and Sterilization. But, like, you want to know also similar things about the above two words. So come, let’s see below.

  • Both Disinfection and Sterilization are used to decontaminate objects and surfaces.
  •  It both used to destroy the microorganisms like viruses, bacteria, fungi, etc.,


DEFINITIONThe process that deletes
many or all pathogenic

The process of making one thing
free from bacteria, fungi
and other living microorganisms
SYNONYMSPurification, Sanitation,
Washing, Ablution,
Antisepsis, Brushing,
Castrate, Decontaminate,
Disinfect, Neuter,
Pasteurize, Sanitize,
Spay, Alter.

ECG machines,
Bedpans and urinals.
Autoclaves, clean-in-place (CIP)
Sterilization-in-place (SIP) systems,
Dry heat sterilizers and Ovens, Steam sterilizers, Media sterilizers, and UV chambers.
Alcohol, Chlorine and chlorine compounds,
Glutaraldehyde, Iodophors,
Hydrogen peroxide,
Per acetic acid.

Ethylene oxide (EtO)
Hydrogen peroxide gas plasma (HPGP)
Vaporized hydrogen peroxide.
Immersion and vapour phase peracetic acid.

TYPESPhysical disinfection
Chemical disinfection
Biological disinfection
Steam Sterilization
Flash Sterilization
Ethylene Oxide “Gas” Sterilization
Per acetic Acid Sterilization
Microbicidal Activity of Low-Temperature Sterilization Technologies.
BACTERIAL SPORESSpores cannot be removed.Spores will be removed
and also killed.
Adequate level.Extreme level.
Disinfection and Sterilization.

Infographic Representation



Resources: Cambridge Dictionary (Disinfection, Sterilization), Merriam-Webster (Disinfection, Sterilization), Collins Dictionary (Disinfection, Sterilization), (Disinfection, Sterilization)
Reference:[1], Merriam-Webster. com[2], Collins Dictionary. com[3], Dictionary. com[4].


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