1. plural of displacer; things or people that displace or move something from its place
Usage: commonly used in technical and mechanical contexts
2. in thermodynamics and mechanical engineering, pistons or other devices that move fluid or gas within a chamber
Usage: technical; engineering

Examples

• The displacers in the Stirling engine move back and forth to regulate gas flow.
• Water displacers were used to measure the volume of irregular objects.
• The pump's displacers push fluid through the system efficiently.
• These mechanical displacers help control pressure in the chamber.
• The design of the displacers affects the engine's overall performance.