double planet
Word Rarity
Uncommon
Frequency: Zipf frequency 4.51 in modern English
17
Scrabble Score
12
Letters
4
Syllables
10
Unique Chars
Meaning
noun
A planet with a moon large enough to be considered a planet, were the planet not there, having a substantial portion of the system's overall mass.
noun
A pair of planemos in orbit around each other, where the barycenter of their orbits lies outside of both planemos, which in turn is in orbit about a star.
noun
A pair of planemos in orbit around each other, where the barycenter of their orbits lies outside of both planemos.