1. a very small electronic circuit, especially one contained on a microchip
Usage: electronics

Examples

• The smartphone contains dozens of microcircuits that control different functions.
• Engineers designed a new microcircuit for the satellite’s navigation system.
• The microcircuit was so small it could barely be seen without a microscope.
• Modern computers rely on thousands of microcircuits working together.
• The factory produces microcircuits for medical devices.
• A single microcircuit can replace what once required an entire room of equipment.