Definitions
American Heritage® Dictionary of the English Language, Fourth Edition
- n. One that diffuses, as:
- n. A light fixture, such as a frosted globe, that spreads light evenly.
- n. A medium that scatters light, used in photography to soften shadows.
- n. A device, such as a cone or baffle, placed in front of a loudspeaker diaphragm to diffuse the sound waves.
- n. A flow passage in a wind tunnel that decelerates a stream of gas or liquid from a high to a low velocity.
Century Dictionary and Cyclopedia
- n. One who or that which diffuses; specifically, in physics, an apparatus consisting of a number of thin metal plates, designed to conduct away the heat of a thermoelectric battery by exposing a large surface to the air. Also spelled diffusor.
- n. In electricity, a reflector placed above an arc-lamp for the purpose of more uniformly distributing its light.
Wiktionary
- n. Any person or thing that diffuses
- n. A device designed to diffuse a scent efficiently
- n. optics Any device that or spreads out or scatters light, making the light appear softer
- n. automotive A shaped section of a car's underbody which improves the car's aerodynamic properties
- n. thermodynamics A mechanical device that is designed to control the characteristics of a fluid at the entrance to a thermodynamic open system
- n. sewage treatment An aerating device consisting of a membrane with fine pores, through which air is blown to generate small bubbles
- n. cooking A cooking item that can be placed above a stove heating element or burner to separate the cooking utensil from the heat source
GNU Webster's 1913
- n. One who, or that which, diffuses.
WordNet 3.0
- n. baffle that distributes sound waves evenly
- n. optical device that distributes the light of a lamp evenly
Etymologies
- diffuse + -er (Wiktionary)
Examples
“The upper deck of a double-decker diffuser is fed by airflow from apertures located underneath the car, in the vertical wall joining the step plane and the reference plane.”
“A polycarbonate and acrylic diffuser is positioned in the centre.”
“To cure this, we can add a bigger "diffuser" - a piece of bodywork shaped to channel air out from underneath the car in a controlled way.”
“Pace-setters Brawn and the in-form Toyota and Williams teams are all using the diffuser, which is said to be worth an extra half a second per lap.”
“Even the much debated issue with the cars 'diffuser showed that Ross Brawn has made his calculations right and the diffuser is the last thing he counted on for winning.”
“Regarding #8 and supplementary lighting, what kind of diffuser do you use?”
“I'm meeting with the guy from Solatube at the site on Saturday, so any specific advice (eg; using multiple smaller lights to avoid shadows rather than one big one, using specific kind of diffuser, etc, would be really helpful if you can think of any.)”
“The solution is to "bounce" your flash, when possible, off of a ceiling or wall so that the light hits your subject indirectly, or to use some kind of diffuser in front of the flash to soften the light.”
“Following the 'diffuser' protest of Ferrari, Red Bull and BMW against Williams, Brawn and Toyota, Sir Frank's team announced in a dramatic political u-turn after Saturday qualifying in that it believed the Ferrari and Red Bull teams to be running illegal devices themselves, possibly regarding the sidepods of the cars.”
“There are a couple of possibilities as far as the 'diffuser' is concerned.”
Lists
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Interesting words
A list of words that are odd or words that I have looked up.
concupiscence, brize, scree, scoria, forestaff, spanaemia, valetudinarianism, distasture, pyrethrum, laudanum, gentian, bicameral and 11184 more...
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hairstyles
bun, bobtail, ponytail, cornrow, odango*, updo, bouffant, plait, braid, bunches, buzzcut, combover and 331 more...
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