sunglass
/ˈsʌnɡlæs/
noun
- A single lens or eyepiece designed to protect the eye from bright sunlight, often used in scientific or optical instruments.
- The astronomer used a sunglass to observe the solar eclipse safely.
- The old microscope had a special sunglass to reduce glare.
- He held a dark sunglass up to his eye to look at the bright landscape.
Synonyms