Last Updated：2025/11/27

Dictionary quizzes to help you remember vocabulary

Dictionary quizzes to help you remember vocabulary

On a shadow in the shape of a right triangle, the length of the shadow's edge opposite to a measured angle.

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See correct answer

umbra versa

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Source Word

umbra versa

IPA(Pronunciation)

/ˈʌmbɹə ˈvɜːsə/

Japanese Meaning

（直角三角形の影の場合において）計測された角に対して、影の辺の長さを指す。

What is this buttons?

The surveyor measured the umbra versa of the right-triangle shadow to determine the height of the pole.

Google Translation / DeepL Translation

測量士は、直角三角形の影において測定した角に対する影の辺の長さを測り、柱の高さを求めた。

Sense（1）

Scheubelius a great Mathematician, but by book only, and not by practice who being required ſometime in an Army to make uſe of his Quadrant, knew not the difference between umbra recta, and umbra verſa.

Google Translation / DeepL Translation

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