Word.ws English Dictionary

sednoid

sednoid noun: a trans-Neptunian object of the inner Oort cloud, that is, one with a perihelion greater than 75 AU.

Noun

sednoid (plural sednoids)

  1. A trans-Neptunian object of the inner Oort cloud, that is, one with a perihelion greater than 75 AU.
    • Scientists are beginning to discover more sednoids thanks to better search efforts.

Forms of sednoid

pluralsednoids

Origin of sednoid

From Sedn(a) + -oid. In turn, from Inuktitut ᓴᓐᓇ (sanna, “Inuit goddess, the Mother of the Sea”). Named after the dwarf planet, the prototype of its class.

Questions about sednoid

What does sednoid mean?
Sednoid means a trans-Neptunian object of the inner Oort cloud, that is, one with a perihelion greater than 75 AU.
What part of speech is sednoid?
Sednoid is a noun.
What is the plural of sednoid?
The plural of sednoid is sednoids.

Words near sednoid in the dictionary

  1. sedlitz powders
  2. Sedlock
  3. Sedlocks
  4. Sedna
  5. Sednian
  6. sednoid
  7. sednoids
  8. sedoanalgesia
  9. sedoanalgesias
  10. sedoheptulokinase
  11. sedoheptulose

Source and license

Adapted from Wiktionary: sednoid (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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Cite this entry: “sednoid.” Word.ws, https://word.ws/sednoid. Based on Wiktionary, CC BY-SA 4.0.