unit circle

English

Noun

unit circle (plural unit circles)

(geometry) A circle of radius 1.
(trigonometry, the unit circle) The circle of radius 1 with centre at the origin, used in defining trigonometric functions.

Usage notes

Unit circle is seldom used in the simple geometric sense, where "a circle of radius 1" is much more common.

Translations

circle of radius 1

Finnish: yksikköympyrä
French: cercle unité (fr) m
German: Einheitskreis (de) m
Italian: circonferenza unitaria f
Swedish: enhetscirkel (sv) c
Tagalog: isahing bilog

circle of radius 1 with centre at the origin, used in trigonometry

Czech: jednotková kružnice f
Dutch: eenheidscirkel m
Finnish: yksikköympyrä
French: cercle trigonométrique (fr) m, cercle unité (fr) m
German: Einheitskreis (de) m
Hungarian: egységkör (hu)
Italian: circonferenza unitaria f
Polish: okrąg jednostkowy m
Russian: едини́чный круг m (jediníčnyj krug)
Swedish: enhetscirkel (sv) c
Tagalog: isahing bilog

See also

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