PI


Meaning of PI in English

transcription, транскрипция: [ paɪ ]

Pi is a number, approximately 3.142, which is equal to the distance round a circle divided by its width. It is usually represented by the Greek letter π.

NUM

Collins COBUILD Advanced Learner's English Dictionary.      Английский словарь Коллинз COBUILD для изучающих язык на продвинутом уровне.