radiō

rad-iō, radi-ō "strahle"

From radius (“Radspeiche”) +‎ -ō.

Pronunciation

• (Classical Latin) IPA^(key): [ˈra.di.oː]
• (modern Italianate Ecclesiastical) IPA^(key): [ˈraː.d̪i.o]

Verb

radiō (present infinitive radiāre, perfect active radiāvī, supine radiātum); first conjugation

1. (active voice) to cause to radiate, irradiate
2. (passive voice) to radiate, emit beams