Niven ring (English, noun)
expansion: Niven ring (plural Niven rings)
Senses:
topics: literature
media
publishing
science-fiction
glosses: A solid ring type Dyson ring around a star, capable of containing an interior surface that could be terraformed into a habitat with an inner ring of occultation panels to provide a day-night cycle.
Forms:
form: Niven rings
tags: plural