trigonum orthogonum

Latin noun
loaned from Greek

Last edited: 2025-01-29
Primary meaning right triangle
Literal translation right-angled triangle
Variants
trigonum orthogonum
orthogonum trigonum
Edited by
right triangle mathematical entity

Sed haec tibi omnia ex eo libro qui de fine vitae a nobis scriptus est, ex trigono orthogono manifestius intimantur.

‘All these things are from our book which was written for you about the end of life and will be more clearly shown to you from triangles and right triangles.’

— Firmicus Maternus, Mathesis 7.7.4

Genre: astrological compendium
Provenance: Sicily
Date: ca. 334 CE

Firmicus Maternus. 1897. Ivlii Firmici Materni Matheseos Libri VIII, ed. W. Kroll, F. Skutsch. Stuttgart: B. G. Teubner. 2.229

Cite this entry
APA (7th)
Meinhardt, K. (2025). trigonum orthogonum (Lemma #1436). The ZODIAC Glossary: A Cross-Cultural Glossary of Ancient Astral Science. https://zodiacglossary.github.io/lemma/1436/
Chicago (Author-Date)
Meinhardt, K. (2025). trigonum orthogonum (Lemma #1436). The ZODIAC Glossary: A Cross-Cultural Glossary of Ancient Astral Science. https://zodiacglossary.github.io/lemma/1436/
MLA (9th)
Meinhardt, K. (2025). trigonum orthogonum (Lemma #1436). The ZODIAC Glossary: A Cross-Cultural Glossary of Ancient Astral Science. https://zodiacglossary.github.io/lemma/1436/
Harvard
Meinhardt, K. (2025) trigonum orthogonum (Lemma #1436), The ZODIAC Glossary: A Cross-Cultural Glossary of Ancient Astral Science. Available at: https://zodiacglossary.github.io/lemma/1436/ (Accessed: December 1, 2025).
BibTeX 
@misc{zodiac1436,
	note = {[Online; accessed 2025-12-01]},
	author = {Meinhardt, Kierán},
	year = {2025},
	title = {trigonum orthogonum ({Lemma} #1436)},
	url = {https://zodiacglossary.github.io/lemma/1436/},
	howpublished = {https://zodiacglossary.github.io/lemma/1436/},
}