Meaning of umbra versa | Babel Free
ˈʌmbɹə ˈvɜːsəDefinitions
On a shadow in the shape of a right triangle, the length of the shadow's edge opposite to a measured angle.
Examples
“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.”
CEFR level
B2
Upper Intermediate
This word is part of the CEFR B2 vocabulary — upper intermediate level.
This word is part of the CEFR B2 vocabulary — upper intermediate level.
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