Advertisement. Airbus, which is under increasing pressure to prove the viability of its A380 production rates, yesterday conceded that it still needs to fill a âsingle-digit numberâ of production slots for the type in 2015.dvertisement. Airbus, which is under increasing pressure to prove the viability of its A380 production rates, yesterday conceded that it still needs to fill a âsingle-digit numberâ of production slots for the type in 2015.
Where did the phrase 'once in a blue moon' come from? A folklorist traces the convoluted evolution of the phrase, while discussing why it adopted the many meanings it has throughout history.
A2A. Once in a blue moon is an English idiom. It means very rarely. For example: he comes round once in a blue moon means he comes around very rarely. Although the value of once in a blue moon is =1.16699016 Ã 10^-8 hertz. Synonyms: Hardly ever, almost never, scarcely ever, rarely, very seldom