We found 3 dictionaries that define the word planetary systems:

General (2 matching dictionaries)

1. planetary systems: Wiktionary
2. Planetary systems: Wikipedia, the Free Encyclopedia

Computing (1 matching dictionary)

3. Planetary systems: Encyclopedia

Phrases: Stars and planetary systems in fiction, more... ▸ Words similar to planetary systems ▸ Usage examples for planetary systems ▸ Idioms related to planetary systems ▸ Wikipedia articles (New!) ▸ Words that often appear near planetary systems ▸ Rhymes of planetary systems ▸ Invented words related to planetary systems