sednoid
构词拆解
- -oid
- Resembling; having the likeness of (usually including the concept of not being the same despite the likeness, but counterexamples exist). · (less commonly) Of, pertaining to, or related to.
词源链
- iu
ᓴᓐᓇ‘Inuit goddess, the Mother of the Sea’
派生
- 英语English
sednoid
词源说明
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.
释义
名词noun
- 1(astronomy) A trans-Neptunian object of the inner Oort cloud, that is, one with a perihelion greater than 75 AU.