äänenvaimennuksella

Äänenvaimennuksella, often referred to as a suppressor or silencer in English, is a firearm accessory designed to reduce the sound produced when a firearm is discharged. It functions by trapping and slowing down the expanding gases that are released from the barrel after a shot is fired. These gases are the primary source of the muzzle blast and the loud noise associated with firearms.

The typical suppressor is a cylindrical device that attaches to the end of a firearm's barrel. Internally, it contains a series of baffles or chambers. When a projectile exits the barrel, hot, high-pressure gases follow. As these gases enter the suppressor's chambers, they expand and cool, losing energy. The baffles are strategically shaped to redirect the gas flow, further slowing it down and containing it within the suppressor. This process significantly reduces the volume of the sound wave that escapes into the atmosphere.

While commonly called a "silencer," the term is a misnomer, as suppressors do not completely eliminate the sound of a firearm. They drastically reduce it to a level that is often comparable to other common noises, but a distinct sound of the action and the supersonic crack of the bullet (if applicable) can still be present. The effectiveness of a suppressor depends on various factors, including the firearm's caliber, the type of ammunition used, and the design and construction of the suppressor itself. In many countries, the ownership and use of suppressors are regulated and often require special permits or licenses.