Word.ws English Dictionary

trans-Neptunian object

trans-Neptunian object noun: any natural object (usually a minor planet (asteroid) or a hypothetical planet) in the Solar System with all or most of its orbit outside the orbit of Neptune.

trans-neptunian object: any natural object (usually a minor planet (asteroid) or a hypothetical planet) in the Solar System...
Image: Thunkii, CC BY-SA 4.0, via Wikimedia Commons

Noun

trans-Neptunian object (plural trans-Neptunian objects, abbreviation TNO)

  1. Any natural object (usually a minor planet (asteroid) or a hypothetical planet) in the Solar System with all or most of its orbit outside the orbit of Neptune.

Forms of trans-Neptunian object

pluraltrans-Neptunian objects
abbreviationTNO
alternative formtransneptunian object

Questions about trans-Neptunian object

What does trans-Neptunian object mean?
Trans-Neptunian object means any natural object (usually a minor planet (asteroid) or a hypothetical planet) in the Solar System with all or most of its orbit outside the orbit of Neptune.
What part of speech is trans-Neptunian object?
Trans-Neptunian object is a noun.
What is the plural of trans-Neptunian object?
The plural of trans-Neptunian object is trans-Neptunian objects.

Words near trans-Neptunian object in the dictionary

  1. trans-misogynist
  2. trans-misogynistic
  3. trans-misogynists
  4. trans-mountain
  5. trans-Neptunian
  6. trans-Neptunian object
  7. trans-Neptunian objects
  8. Trans-New Guinea
  9. Trans-New Guinean
  10. trans-Oceania
  11. trans-Pacific

Source and license

Adapted from Wiktionary: trans-Neptunian object (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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