noun
baffle
A barrier that controls the passage of fluid, sound, or light.
A metal baffle redirects the exhaust inside the chamber.
Etymology
The noun comes from the verb baffle in its sense of hindering or obstructing. A physical baffle checks or redirects a flow, turning obstruction into a useful means of control.
More examples
- The engineer added baffles to reduce noise from the motor.
- A baffle prevents stray light from reaching the lens.
- Water flows around the baffle before entering the next compartment.
Forms
baffle · baffles
Similar words
- barrier
- Is broader and may block passage rather than control it.
- deflector
- Specifically redirects a flow or beam rather than absorbing it.