diffuser
/di'fju:zə/
Học thuậtThân thiện
Definition
- Noun:
- An optical device that distributes the light of a lamp evenly: A device, often a translucent cover or screen, that scatters light rays to reduce glare and create softer, more uniform illumination.
- A baffle that distributes sound waves evenly: A component, typically in a speaker or studio, designed to scatter sound waves to prevent echoes and create a more balanced acoustic environment.
Examples of Usage
- Noun:
- The photographer attached a diffuser to the flash to soften the harsh light on the subject's face.
- The recording studio installed acoustic diffusers on the walls to improve sound quality.
Advanced Usage
- In Photography/Videography: A diffuser is essential for portrait photography to create flattering, shadow-free light.
- For a natural look, always use a diffuser when shooting outdoors in direct sunlight.
- In Acoustics: Diffusers are used in concert halls and home theaters to manage sound reflection.
- Properly placed diffusers can make a small room sound much larger and more balanced.
Variants and Related Words
- Diffuse (verb): To spread or scatter widely.
- The fan helped to diffuse the scent throughout the room.
- Diffusion (noun): The process of spreading or scattering.
- The diffusion of light through the frosted glass created a gentle glow.
Synonyms
- Disperser: Something that causes things to spread out.
- Scatterer: An object that causes rays or waves to spread in different directions.
Related Phrases
- Light diffuser: Specifically refers to a device for softening light.
- She purchased a new light diffuser for her studio lamps.
- Sound diffuser: Specifically refers to an acoustic panel for scattering sound.
- The audio engineer recommended quadratic residue diffusers for the control room.
Related Idioms
Noun
- optical device that distributes the light of a lamp evenly
- baffle that distributes sound waves evenly