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verb

disinfect

dihs-ihn-FEHKT

Disinfect (verb) means to clean something thoroughly enough to kill the germs on it. Example: “Nurses disinfect the equipment between patients.”

verb
1
To clean something thoroughly enough to kill the germs on it.
"Nurses disinfect the equipment between patients."
"Remember to disinfect the kitchen counter after handling raw chicken."

How to use disinfect

Learner’s notes

In plain EnglishTo kill germs on a surface or object using a cleaning product.

Common mistake

Disinfecting kills most germs; sterilizing kills essentially all of them — the words aren't perfectly interchangeable in medical contexts.

Easily confused with
Common pairings
disinfect a wound disinfect surfaces disinfect your hands

Word forms

disinfected past tense, disinfects singular

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Fill the gap

Can you complete this real example?

Nurses _____ the equipment between patients.

Etymology

From dis- ("undo") plus infect, echoing the French désinfecter — literally "to remove infection from."

Origin: French

Rhymes for disinfect

See all rhymes for disinfect →

Frequently asked questions

What does “disinfect” mean?

The word “disinfect” means to clean something thoroughly enough to kill the germs on it. In plain terms, to kill germs on a surface or object using a cleaning product.

How do you pronounce “disinfect”?

“Disinfect” is pronounced dihs-ihn-FEHKT (/dɪs.ɪnˈfɛkt/ in IPA).

How do you use “disinfect” in a sentence?

Here is “disinfect” used in a sentence: “Nurses disinfect the equipment between patients.”

What part of speech is “disinfect”?

“Disinfect” is a verb.

Where does the word “disinfect” come from?

The word “disinfect” comes from French. From dis- ("undo") plus infect, echoing the French désinfecter — literally "to remove infection from.".

Definitions: FreeDict original editorial