noun
- devices or objects that block or hide something from view, especially light from celestial bodies
Usage: astronomy; technical
Examples
- The telescope used occulters to block the bright star’s light.
- Solar occulters help astronomers study the sun’s corona.
- The spacecraft deployed occulters to observe distant planets.
- Astronomers rely on occulters to reduce glare from nearby stars.
- The observatory’s occulters improved image quality significantly.