Definify.com
Webster 1913 Edition
Diffuser
Dif-fus′er
,Noun.
One who, or that which, diffuses.
Definition 2025
diffuser
diffuser
English
Noun
diffuser (plural diffusers)
- Any person or thing that diffuses.
- A device designed to diffuse a scent efficiently.
- (optics) Any device that or spreads out or scatters light, making the light appear softer.
- (automotive) A shaped section of a car's underbody which improves the car's aerodynamic properties.
- (thermodynamics) A mechanical device that is designed to control the characteristics of a fluid at the entrance to a thermodynamic open system.
- (sewage treatment) An aerating device consisting of a membrane with fine pores, through which air is blown to generate small bubbles.
- (cooking) A cooking item that can be placed above a stove heating element or burner to separate the cooking utensil from the heat source.
- A hairdryer attachment that diffuses the flow of air.
See also
French
Etymology
From diffus.
Verb
diffuser
Conjugation
Conjugation of diffuser (see also Appendix:French verbs)
| simple | compound | ||||||
|---|---|---|---|---|---|---|---|
| infinitive | diffuser | avoir diffusé | |||||
| gerund | en diffusant | en ayant diffusé | |||||
| present participle | diffusant /di.fy.zɑ̃/ |
||||||
| past participle | diffusé /di.fy.ze/ |
||||||
| person | singular | plural | |||||
| first | second | third | first | second | third | ||
| indicative | je (j’) | tu | il | nous | vous | ils | |
| simple tenses |
present | diffuse /di.fyz/ |
diffuses /di.fyz/ |
diffuse /di.fyz/ |
diffusons /di.fy.zɔ̃/ |
diffusez /di.fy.ze/ |
diffusent /di.fyz/ |
| imperfect | diffusais /di.fy.zɛ/ |
diffusais /di.fy.zɛ/ |
diffusait /di.fy.zɛ/ |
diffusions /di.fy.zjɔ̃/ |
diffusiez /di.fy.zje/ |
diffusaient /di.fy.zɛ/ |
|
| past historic1 | diffusai /di.fy.ze/ |
diffusas /di.fy.za/ |
diffusa /di.fy.za/ |
diffusâmes /di.fy.zam/ |
diffusâtes /di.fy.zat/ |
diffusèrent /di.fy.zɛʁ/ |
|
| future | diffuserai /di.fyz.ʁe/ |
diffuseras /di.fyz.ʁa/ |
diffusera /di.fyz.ʁa/ |
diffuserons /di.fyz.ʁɔ̃/ |
diffuserez /di.fyz.ʁe/ |
diffuseront /di.fyz.ʁɔ̃/ |
|
| conditional | diffuserais /di.fyz.ʁɛ/ |
diffuserais /di.fyz.ʁɛ/ |
diffuserait /di.fyz.ʁɛ/ |
diffuserions /di.fy.zə.ʁjɔ̃/ |
diffuseriez /di.fy.zə.ʁje/ |
diffuseraient /di.fyz.ʁɛ/ |
|
| compound tenses |
present perfect | Use the present tense of avoir followed by the past participle | |||||
| pluperfect | Use the imperfect tense of avoir followed by the past participle | ||||||
| past anterior1 | Use the past historic tense of avoir followed by the past participle | ||||||
| future perfect | Use the future tense of avoir followed by the past participle | ||||||
| conditional perfect | Use the conditional tense of avoir followed by the past participle | ||||||
| subjunctive | que je (j’) | que tu | qu’il | que nous | que vous | qu’ils | |
| simple tenses |
present | diffuse /di.fyz/ |
diffuses /di.fyz/ |
diffuse /di.fyz/ |
diffusions /di.fy.zjɔ̃/ |
diffusiez /di.fy.zje/ |
diffusent /di.fyz/ |
| imperfect1 |
diffusasse /di.fy.zas/ |
diffusasses /di.fy.zas/ |
diffusât /di.fy.za/ |
diffusassions /di.fy.za.sjɔ̃/ |
diffusassiez /di.fy.za.sje/ |
diffusassent /di.fy.zas/ |
|
| compound tenses |
past | Use the present subjunctive tense of avoir followed by the past participle | |||||
| pluperfect1 | Use the imperfect subjunctive tense of avoir followed by the past participle | ||||||
| imperative | – | tu | – | nous | vous | – | |
| — | diffuse /di.fyz/ |
— | diffusons /di.fy.zɔ̃/ |
diffusez /di.fy.ze/ |
— | ||
| 1literary tenses | |||||||