Definition of radiobe in US English:

radiobe

noun

Biology
historical
  • An apparently cell-like object seen to form in large numbers in gelatin solutions in the presence of radium salts, originally claimed to be a living organism that owed its existence to radioactivity.

Origin

Early 20th century. Blend of radio- and microbe.

Pronunciation

radiobe

/ˈreɪdɪəʊb/