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).

Pronunciation

IPA^(key): /aˈkti.na/
Hyphenation: α‧κτί‧να

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

case \ number	singular	plural
nominative	ακτίνα •	ακτίνες •
genitive	ακτίνας •	ακτίνων •
accusative	ακτίνα •	ακτίνες •
vocative	ακτίνα •	ακτίνες •

Synonyms

(X-ray): ακτίνα Χ f (aktína Ch)
(radius): ακτίς f (aktís)

Related terms

ακτινοβολώ (aktinovoló, “to beam”)
ακτίνα δράσης f (aktína drásis, “field of action”)

See also

περιφέρεια f (periféreia, “circumference”)
διάμετρος f (diámetros, “diameter”)

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