English Explanatory Dictionary

sednoid

English dictionary entry

Meanings

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

Word forms

sednoid sednoids

Etymology

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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