Definition of Plutino in English:

Plutino

Syllabification: Plu·ti·no
Pronunciation: /plo͞oˈtēnō
 
/

noun (plural Plutinos)

A small planetlike body orbiting the sun in the region of the Kuiper belt and in resonance with Neptune.
More example sentences
  • Pluto and its ensemble of siblings called Plutinos cross Neptune's path around the Sun.
  • It's a plutino -- an object that orbits the Sun in the same amount of time as Pluto, but is too small to be called a planet.

Origin

1990s: from the name of Pluto (because of a similar orbit) + the Italian diminutive suffix -ino.

Definition of Plutino in:

Get more from Oxford Dictionaries

Subscribe to remove adverts and access premium resources

Word of the day antebellum
Pronunciation: ˌantɪˈbɛləm
adjective
occurring or existing before a particular war…