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地球

日本語 · 한국어 · 中文

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地球

  • /"tSi.kʲMː/ X SAMPA

Where it comes from

マテオ・リッチの造語。

proper noun ちきゅう

  1. 天体 太陽系で太陽に三番目に近い、46億年前にできたと推定される惑星。窒素や酸素が主成分の大気と、液体の水がある惑星。太陽系で唯一生命が存在する。

In English

  • globe planet Earth
  • Earth third planet of the Solar System

Talk about this word

Cite this
MLA

"地球." Wiktionary, via Micwyn, micwyn.com/word/ja/%E5%9C%B0%E7%90%83. Accessed 6 Nov. 2026.

APA

地球. (n.d.). In Wiktionary, via Micwyn. Retrieved November 6, 2026, from https://micwyn.com/word/ja/%E5%9C%B0%E7%90%83

Chicago

"地球." Wiktionary, via Micwyn. Accessed November 6, 2026. https://micwyn.com/word/ja/%E5%9C%B0%E7%90%83.

BibTeX
@misc{micwyn_2026,
  title = {地球},
  howpublished = {Wiktionary, via Micwyn},
  year = {2026},
  url = {https://micwyn.com/word/ja/%E5%9C%B0%E7%90%83},
  urldate = {2026-11-06}
}