Greek

Alternative forms

• (colloquial): αχτίνα f ‎(achtína)
• αχτίδα f ‎(achtída) (with some change in meaning)
• (misspelling): ακτίδα f ‎(aktída) (with some change in meaning)

Noun

ακτίνα • ‎(aktína) f ‎(plural ακτίνες)

1. (physics) light ray, beam of light, X-ray (or other radiation)
2. sunbeam
3. (geometry) radius (dimension of a circle, physical line)
4. spoke (of a wheel)

Declension

Synonyms

• (X-ray): ακτίνα Χ f ‎(aktína Ch)

Related terms

• ακτινοβολώ ‎(aktinovoló, “to beam”)

See also

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