直角

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直角

Where it comes from

マテオ・リッチの造語。

noun ちょっかく

二つの直線が交わって出来る4つの角が等しいときの、その一つの角の大きさ。90度の角度。

In English

right angle angle of 90 degrees

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Cite this

MLA

"直角." Wiktionary, via Micwyn, micwyn.com/word/ja/%E7%9B%B4%E8%A7%92. Accessed 6 Nov. 2026.

APA

直角. (n.d.). In Wiktionary, via Micwyn. Retrieved November 6, 2026, from https://micwyn.com/word/ja/%E7%9B%B4%E8%A7%92

Chicago

"直角." Wiktionary, via Micwyn. Accessed November 6, 2026. https://micwyn.com/word/ja/%E7%9B%B4%E8%A7%92.

BibTeX

@misc{micwyn_2026,
  title = {直角},
  howpublished = {Wiktionary, via Micwyn},
  year = {2026},
  url = {https://micwyn.com/word/ja/%E7%9B%B4%E8%A7%92},
  urldate = {2026-11-06}
}