Jisho

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Noun
1. space alien; alien; extraterrestrial being
Wikipedia definition
2. Extraterrestrials in fictionIn popular cultures, "extraterrestrials" are life forms — especially intelligent life forms— that are of extraterrestrial origin (often also called "aliens").
Read “Extraterrestrials in fiction” on English Wikipedia
Read “宇宙人” on Japanese Wikipedia
Read “Extraterrestrials in fiction” on DBpedia

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