radii
suomi-englanti sanakirjaradii englanniksi
(monikko) en|radius
{{quote-text|en|year=1767|author=Richard Helsham; Bryan Robinson|title=A Course of Lectures in Natural Philosophy|pageurl=http://books.google.co.uk/books?id=uytjZB5I4l0C&pg=PA31&dq=%22the+aequator%22&ei=wNuuSPi0KoLoyASbtPH1Bg|page=31
to radiate
(monikko) io|radio
(inflection of)