diffuser


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diffuser

A device used to scatter light. It can be a reflecting surface (e.g. matt paint) or a transmitting medium (e.g. ground glass).
Millodot: Dictionary of Optometry and Visual Science, 7th edition. © 2009 Butterworth-Heinemann
References in periodicals archive ?
MERSEYSIDE Fire and Rescue Service are warning households about the dangers of reed diffusers.
PS80, johnlewis.com PEONY & BLUSH SUEDE SCENT SURROUND DIFFUSER: Fill your home with the iconic scents of Jo Malone with this diffuser.
Luminit's Light Shaping Diffusers also enable HUD Tier 1 manufacturers in the automotive market to produce sharp and bright image-based TFT and projector-based units and allow designers to customize the field of view of the display and de-speckle images for laser-based systems.
"Despite the diffuser being half full, the wick was totally dry.
The flow features, downforce and drag behavior of the diffuser in ground effect have been described in 3-D ground-effect diffuser studies [4, 5, 6, 7, 8, 9, 10, 11, 12], often conducted on diffuser-equipped bluff bodies.
Unlike metal ducts, an entire run of fabric acts as a diffuser. This allows a facility to provide targeted, precise and efficient air dispersion throughout the length of their path.
Diffused essential oils are safer to use, and with Essential Oil Diffuser Recipes one can easily tailor a fragrance combination to best suit one's needs from promoting relaxation or restful sleep to relieving stress or perking up one's mood.
To operate the diffuser, simply lift off the cover and place one of the included absorbent pads inside.
The fresh air was supplied at 18 [degrees]C [64.4 [degrees]F] and 0.075 m/s [14.76 fpm] using a 1.215 m x 0.615 m [3.99 ft x 2.02 ft] displacement ventilation diffuser. The only source of carbon dioxide in the chamber during the experiment was a C[O.sub.2] supply tube near the manikin face with 0.0045 m [0.18 inch] inside diameter and 7.05E-06 [m.sup.3]/s [0.015 cfm] release rate.
The dump diffuser is designed well to meet with the demand of the annual combustor in the current advanced aeroengines and commonly used.
The diffuser also features light-emitting diodes that change colors.