περιφέρεια

periphereia
Greek · noun
variant περιφερείη : periphereiē
Edited by: Thomas Peeters
Last edited: 2025-03-24

Literal translation
circumference
Categories
geometrical concept
mathematical entity

1. circumference

1.a circumference geometrical concept

2. arc

2.a arc mathematical entity

Ἐπιζητεῖται δὲ ἐν τούτοις, πῶς ἴσων ὄντων τῶν τεταρτημορίων τοῦ ζῳδιακοῦ κύκλου ὁ ἥλιος ἰσοταχῶς κινούμενος διὰ παντὸς ἐν ἀνίσοις χρόνοις διαπορεύεται τὰς ἴσας περιφερείας.

‘And it is a matter of question concerning these things: how - while the fourth parts of the zodiac are equal - does the sun, moving through each of them at constant speed, pass equal arcs in unequal times?’

— Geminus 1.18

Genre: astronomy Date: 1st century BCE

Geminus. 1975. Géminos, Introduction aux Phénomènes, ed. G. Aujac. Paris: Les Belles Lettres. 5


Cite this entry
APA (7th)
Peeters, T. (2025). περιφέρεια (Lemma #1296). The ZODIAC Glossary: A Cross-Cultural Glossary of Ancient Astral Science. https://zodiacglossary.github.io/lemma/1296/

Chicago (Author-Date)
Peeters, T. (2025). περιφέρεια (Lemma #1296). The ZODIAC Glossary: A Cross-Cultural Glossary of Ancient Astral Science. https://zodiacglossary.github.io/lemma/1296/

MLA (9th)
Peeters, T. (2025). περιφέρεια (Lemma #1296). The ZODIAC Glossary: A Cross-Cultural Glossary of Ancient Astral Science. https://zodiacglossary.github.io/lemma/1296/

Harvard
Peeters, T. (2025) περιφέρεια (Lemma #1296), The ZODIAC Glossary: A Cross-Cultural Glossary of Ancient Astral Science. Available at: https://zodiacglossary.github.io/lemma/1296/ (Accessed: July 4, 2026).

BibTeX
@misc{zodiac1296,
	note = {[Online; accessed 2026-07-04]},
	author = {Peeters, Thomas},
	year = {2025},
	title = {περιφέρεια ({Lemma} #1296)},
	url = {https://zodiacglossary.github.io/lemma/1296/},
	howpublished = {https://zodiacglossary.github.io/lemma/1296/},
}