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sednoid. In DICTIOUS you will not only get to know all the dictionary meanings for the word
sednoid, but we will also tell you about its etymology, its characteristics and you will know how to say
sednoid in singular and plural. Everything you need to know about the word
sednoid you have here. The definition of the word
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English
Etymology
From Sedn(a) + -oid.
Noun
sednoid (plural sednoids)
- (astronomy) 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.
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