Definition of diffuser in English:


(also diffusor)


  • 1A person or thing that diffuses something.

    ‘the teacher is viewed as a diffuser of knowledge’
    • ‘This allows you to place your baking dish inside the diffuser, away from the direct heat of the BBQ.’
    • ‘Cantilevered sections attached to the outside of the trough support technical equipment and an acrylic wind diffuser.’
    • ‘Another similar continuous flow catheter also includes a diffuser for the dispensing of fluid in a diffused manner.’
    • ‘To use a fan diffuser, essential oils are usually placed onto a disposable absorbent pad or into a tray.’
    • ‘One of the tricks to baking in the BBQ is to use a foil diffuser.’
    • ‘When the flu is going around add a few drops of Thyme to your diffuser or simmer in a pan on the stove.’
    • ‘The installation is completed by covering the recessed well with a frame and a series of plastic diffusers.’
    • ‘Luckily, on close inspection I found the only damage to be a crack in the diffuser on one of the flashguns.’
    • ‘It comes with a two-foot foldable mounting bracket with diffuser screens mounted at each end.’
    • ‘He figured out that he could use the machinery that made fiberglass soundproofing diffusers to make the pontoons, too.’
    • ‘I will be talking about acoustic diffusers, how we might deal with echo problems in railway stations.’
    • ‘The gun diffuser had been blown apart in two places.’
    • ‘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.’
    • ‘The total cost of the complete unit with trailer, tanks, pressure/flow regulators, and diffusers was $8,400.’
    • ‘Diffuser screens are easily attached using solid plastic sidebars.’
    • ‘This destroyed the rear wing end plate and part of the rear diffuser causing a significant loss of downforce.’
    • ‘Based in Upper Marlboro, Md., the company now supplies acoustic diffusers for a wide variety of installations.’
    • ‘Depending on the brand and model, fan diffusers can fragrance a large area.’
    • ‘One needs to be as careful with using a candle diffuser as with using candles in general.’
    1. 1.1 An attachment or duct for broadening an airflow and reducing its speed.
      • ‘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.’
      • ‘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.’
      • ‘Supply and return air to and from the ground floor is ducted to diffusers incorporated in and above the light fittings.’
      • ‘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 main lobby is cooled with a variety of custom displacement diffusers at each of the four floor levels.’
      • ‘Wipe diffusers with vinegar to remove deposits, check air hoses for cracks and obstructions, and examine all connections to the pumps.’
      • ‘In a passive air circulation system, outside air is conditioned in an underground plenum and drawn up through floor diffusers into occupied spaces.’
      • ‘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.’
      • ‘He followed these up with a diffuser to blow-dry her locks to perfection.’
      • ‘Religious articles, holy books, brass lamps, candle stands, incense holders, scented candles and perfume diffusers are also turning out to be much valued presents.’
      • ‘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.’
      • ‘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.’
      • ‘When the flu is going around add a few drops of Thyme to your diffuser or simmer in a pan on the stove.’
      • ‘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.’
      • ‘Other methods including use of an aromatherapy diffuser or lamp scent ring available through many aromatherapy companies.’
      • ‘Furthermore, the system replaces the traditional large overhead diffusers with a greater number of small diffusers, allowing for more individual control of air flow.’
      • ‘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.’
      • ‘Some sets come with heat diffusers that provide better control and protect the ceramic from breaking.’
    2. 1.2Photography A device which spreads the light from a light source evenly and reduces harsh shadows.
      • ‘Light going through the diffuser was directed toward the drop and was scattered by the drop interface into the camera.’
      • ‘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.’