sednoid.
A trans-Neptunian object of the inner Oort cloud, that is, one with a perihelion greater than 75 AU.
Meaning & usage
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.
Where this word comes from
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.
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Definitions, grammatical labels, IPA, etymology and examples: Wiktionary contributors, extracted by Kaikki / Wiktextract. Adapted under CC BY-SA 4.0. Selected fields and authored examples are shown; third-party quotations and audio are omitted. See contributor history.
Last enriched 2026-09-10. Definitions are in English. Romanizations are shown when supplied by the source; syllable estimates are omitted for unsupported scripts.