Definition of "mid-seventies" [mid-seventies]

• The time of life between 70 and 80. (noun)

Gnu Collaboartive International Dictionary of English: licensed under The Code Project Open License (CPOL)

• "I was a philosophy major at Princeton in the mid-seventies: I had classes with Davidson and Nagel, also Sheldon Wolin."
• "While she did not quite echo my sentiment of “bliss was it, in that dawn to be alive!”, she did confirm that the mid-seventies was an exhilarating time for methodologists and materials writers, where the sense of a sea-change was palpable, and where the publishers, too, were prepared to throw caution to the wind."
• "Jared lived with his grandmother, Mrs. Mills, a widow in her mid-seventies."