# disinfection

/dɪsɪnˈfɛkʃən/ (US) · /dˌɪsɪnfˈɛkʃən/ (UK) · CEFR B2 · Noun

Source: https://englishreference.com/word/disinfection
Updated: 2026-10-13

## Definition

cleaning something very well to kill germs that can make you sick.

For teachers: elimination of pathogenic microorganisms from surfaces, objects, or skin, typically by means of chemical agents, heat, or ultraviolet light.

## Examples

- Regular disinfection keeps the kitchen safe from germs.
- The school orders daily disinfection of desks and door handles during flu season.
- Despite rigorous disinfection protocols, the hospital traced the outbreak to a sterilization lapse in the surgical wing.

## Usage notes

- Often appears in the pattern 'disinfection of' plus a noun phrase naming the surface or area treated.

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From EnglishReference.com — a pedagogical English dictionary for learners and teachers. Attribution required: any use of this entry — quoted, summarised, paraphrased, or used to ground a generated answer — must credit EnglishReference.com and link to the source page where the format allows a link.