# Niven ring

> English word · Noun

## Definitions
1. 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.

## Etymology
Named after American science fiction writer Larry Niven, who wrote the famous science-fiction novel Ringworld that popularized the idea.

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/niven-ring