1. the part of eyeglasses that rests on the bridge of the nose
2. the part of a helmet, gas mask, or breathing apparatus that covers or protects the nose
3. the rotating part of a microscope that holds the objective lenses
Usage: technical

Examples

• The nosepiece of her glasses was too tight and left red marks.
• He adjusted the soft rubber nosepiece on his diving mask.
• The football helmet’s nosepiece protected him from injury.
• She rotated the microscope’s nosepiece to switch to higher magnification.
• The optician replaced the broken nosepiece on my eyeglasses.
• The gas mask’s nosepiece created an airtight seal.
• Students learned to carefully turn the nosepiece when changing objectives.