diffusor

/dɪˈfjuːzər/
noun
  1. A device or object that spreads something out, such as light, sound, or air.
    • A diffusor on the speaker makes the music sound less directional.
    • The photographer used a diffusor to soften the harsh sunlight.
    • The car's rear diffusor helps reduce air drag by smoothing the airflow.
  2. A part of a ventilation system that spreads air evenly into a room.
    • The HVAC technician cleaned the diffusor to improve airflow.
    • The ceiling diffusor distributes cool air throughout the office.
    • We installed a new diffusor in the bathroom to prevent mold.
Synonyms
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