Definition of diffuser in English:


(also diffusor)


  • 1A person or thing that diffuses something.

    ‘the teacher is viewed as a diffuser of knowledge’
    • ‘When the flu is going around add a few drops of Thyme to your diffuser or simmer in a pan on the stove.’
    • ‘To use a fan diffuser, essential oils are usually placed onto a disposable absorbent pad or into a tray.’
    • ‘Another similar continuous flow catheter also includes a diffuser for the dispensing of fluid in a diffused manner.’
    • ‘Diffuser screens are easily attached using solid plastic sidebars.’
    • ‘One of the tricks to baking in the BBQ is to use a foil diffuser.’
    • ‘The gun diffuser had been blown apart in two places.’
    • ‘Luckily, on close inspection I found the only damage to be a crack in the diffuser on one of the flashguns.’
    • ‘The installation is completed by covering the recessed well with a frame and a series of plastic diffusers.’
    • ‘The total cost of the complete unit with trailer, tanks, pressure/flow regulators, and diffusers was $8,400.’
    • ‘I will be talking about acoustic diffusers, how we might deal with echo problems in railway stations.’
    • ‘This destroyed the rear wing end plate and part of the rear diffuser causing a significant loss of downforce.’
    • ‘One needs to be as careful with using a candle diffuser as with using candles in general.’
    • ‘A simple plug-in diffuser that disperses a dog appeasing pheromone into the room is available at some veterinary practices.’
    • ‘A diffuser could also be used in a confined area.’
    • ‘He figured out that he could use the machinery that made fiberglass soundproofing diffusers to make the pontoons, too.’
    • ‘This allows you to place your baking dish inside the diffuser, away from the direct heat of the BBQ.’
    • ‘It comes with a two-foot foldable mounting bracket with diffuser screens mounted at each end.’
    • ‘Depending on the brand and model, fan diffusers can fragrance a large area.’
    • ‘Based in Upper Marlboro, Md., the company now supplies acoustic diffusers for a wide variety of installations.’
    • ‘Cantilevered sections attached to the outside of the trough support technical equipment and an acrylic wind diffuser.’
    1. 1.1 An attachment or duct for broadening an airflow and reducing its speed.
      • ‘When the flu is going around add a few drops of Thyme to your diffuser or simmer in a pan on the stove.’
      • ‘Religious articles, holy books, brass lamps, candle stands, incense holders, scented candles and perfume diffusers are also turning out to be much valued presents.’
      • ‘However, whereas most cars feel light and unstable at high speeds, this one stays glued to the tarmac, thanks to its clever underbody diffusers, which sucks the car down.’
      • ‘When using your BBQ as an oven, the diffuser deflects the direct heat from the burners to prevent scorching the food in the bottom of the pan.’
      • ‘He followed these up with a diffuser to blow-dry her locks to perfection.’
      • ‘The developers improved energy efficiency by using access flooring, which provides an underfloor supply air plenum for displacement heating and cooling through floor-mounted air diffusers.’
      • ‘In a passive air circulation system, outside air is conditioned in an underground plenum and drawn up through floor diffusers into occupied spaces.’
      • ‘Supply and return air to and from the ground floor is ducted to diffusers incorporated in and above the light fittings.’
      • ‘Wipe diffusers with vinegar to remove deposits, check air hoses for cracks and obstructions, and examine all connections to the pumps.’
      • ‘The main lobby is cooled with a variety of custom displacement diffusers at each of the four floor levels.’
      • ‘Also known as diffusers, subsurface aerators consist of an onshore compressor that pumps air through a hose placed in the deepest part of the pond.’
      • ‘Some sets come with heat diffusers that provide better control and protect the ceramic from breaking.’
      • ‘Other methods including use of an aromatherapy diffuser or lamp scent ring available through many aromatherapy companies.’
      • ‘Had a facility worker been walking the space daily during the winter break, water dripping from the ductwork and diffusers would likely have been seen less than 24 hours after it started.’
      • ‘To sustain your energy after work, plug a car diffuser sprinkled with an essential oil into your car's cigarette lighter, or place a few drops on your defrost vents and turn on the fan.’
      • ‘These problems can be easily overcome by washing the glass with a warm curtain of air, either from heating units at the bottom of the windows or from continuous air diffusers at the top.’
      • ‘One way to do that is to use high-induction diffusers, which use jets to induce a mixing process between the supply air and the room air.’
      • ‘The access-floor system, together with floor diffusers, allows modifications to the layout of the space to be completed with very little lost work time.’
      • ‘Every individual can control his or her microclimate with operable diffusers in the floor.’
      • ‘Furthermore, the system replaces the traditional large overhead diffusers with a greater number of small diffusers, allowing for more individual control of air flow.’
    2. 1.2Photography A device which spreads the light from a light source evenly and reduces harsh shadows.
      • ‘I don't have the other system (optical cable), but it's generally the same type of thing - you tape an optical sensor over the camera's diffuser and it tells the strobe when to flash.’
      • ‘Light going through the diffuser was directed toward the drop and was scattered by the drop interface into the camera.’