sednoid

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noun

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.”

OriginInuktitut ᓴᓐᓇ →
Scrabble 9
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Meanings

nounsednoid (plural sednoids)

plural sednoids

  1. astronomyA 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.

Origin

  1. Inuktitutᓴᓐᓇ“Inuit goddess, the Mother of the Sea”
  2. Englishsednoid

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.

More words from Inuktitut

Full word history & related roots →

Translations

French sednoïde
  • sednoïdeastronomy
German Sednoid
  • Sednoidastronomy
Polish sednoida
  • sednoidaastronomy
Turkish sednoid
  • sednoidastronomy

Rhymes & wordplay

Anagrams

Eddison
Cite this entry
APA

sednoid. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/sednoid

MLA

“sednoid.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/sednoid. Accessed November 2, 2026.

Chicago

WatkinsX Dictionary, s.v. “sednoid,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/sednoid.

Source: sednoid on Wiktionary, CC BY-SA 4.0.