单词	planetoid
释义	planetoid noun plan·​et·​oid ˈpla-nə-ˌtȯid  : a small body resembling a planet especially : asteroid planetoidal ˌpla-nə-ˈtȯi-dᵊl  adjective Example Sentences Recent Examples on the Web That said, 2001 FO32's path will present astronomers with a rare opportunity to closely observe the planetoid because 1.25 million miles is still relatively close in astronomical terms. Julia Musto, Fox News, 13 Mar. 2021 Samples were first found in a meteorite (believed to be remains of a fragmented planetoid) that fell from space in 1879, but only in 2014 described as a distinct mineral. David Bressan, Forbes, 4 Mar. 2021 Ian Sample at The Guardian reports that the researchers didn’t press their eye to the telescope lens to find the little planetoids. Jason Daley, Smithsonian, 9 Oct. 2019 Without a star to call their own, the planetoids cool to a temperature that makes finding them a task for infrared eyes. National Geographic, 5 Jan. 2017 New to this version: the ability to drill from one side of a planetoid to the other. Chris Kohler, WIRED, 10 June 2009 Word History First Known Use 1803, in the meaning defined above
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