contact binary

Fetched 2026-10-26 (cache).

Datamuse reports no synonyms or antonyms for this word.

Noun

1. {{lb|en|astronomy}} A [[binary star]] whose component [[star]]s are in physical [[contact]] (share an upper atmosphere).
2. {{lb|en|astronomy}} A [[bilobated]] [[small Solar System body]] formed from two bodies that gravitated together and fused into one.

Source: Wiktionary · CC BY-SA 4.0 (Wiktionary dump) · cached copy, not a rewrite.