PYTHAGOREAN Meaning of PYTHAGOREAN in English [ pʌɪˌθagə'ri:ən ]■ adjective relating to the Greek philosopher and mathematician Pythagoras ( c. 580–500 BC) or his philosophy. ■ noun a follower of Pythagoras. Concise Oxford English vocab. Сжатый оксфордский словарь английского языка. 2004