1. devices or substances that reduce something in size, amount, or intensity
2. pipe fittings that connect pipes of different diameters
Usage: plumbing; technical
3. chemical agents that cause reduction reactions by donating electrons
Usage: chemistry

Examples

• The plumber installed reducers to connect the large main pipe to smaller branch pipes.
• Speed reducers help control the rotation rate of machinery.
• Chemical reducers are essential in many industrial processes.
• The factory uses noise reducers to minimize sound pollution.
• Pipe reducers come in various sizes to fit different applications.
• These reducers will help decrease the pressure in the system.