ακτίνα
Greek
Alternative forms
- (colloquial): αχτίνα f (achtína)
- αχτίδα f (achtída) (with some change in meaning)
- (misspelling): ακτίδα f (aktída) (with some change in meaning)
Etymology
From Ancient Greek ἀκτίς (aktís)
Noun
ακτίνα • (aktína) f (plural ακτίνες)
- (physics) light ray, beam of light, X-ray (or other radiation)
- sunbeam
- (geometry) radius (dimension of a circle, physical line)
- σε ακτίνα 200 χιλιομέτρων ― se aktína 200 chiliométron ― within a radius of 200 kilometers
- spoke (of a wheel)
Declension
Declension of ακτίνα
Synonyms
Related terms
- ακτινοβολώ (aktinovoló, “to beam”)
- ακτίνα δράσης f (aktína drásis, “field of action”)
See also
- περιφέρεια f (periféreia, “circumference”)
- διάμετρος f (diámetros, “diameter”)