irene /ˈaɪɹiːn/noun 1forms 1phrases 1 noun1 •The hydrocarbon formed by dehydration of an irone.Ruzicka and his co-workers showed that the hydrocarbon irene, obtained on reduction of irone with red phosphorus/iodine, had the structure shown and this was confirmed by synthesis [...] — 1964 formsirenes Phrases with irene goodnight IreneAn involuntary departure.
