1. to make (rays of light or other radiation) parallel
Usage: technical; optics
2. to adjust the line of sight of (an optical instrument)
Usage: technical; optics

Examples

• The telescope needs to be collimated before use.
• Scientists collimate the laser beam for precise measurements.
• The technician collimated the microscope’s optical system.
• Properly collimated light produces sharper images.
• The observatory staff regularly collimates their instruments.
• Engineers collimate X-rays in medical imaging equipment.