[determiner], [pronoun], [noun] - (the number) 70sixty, seventy, eightyseventy-one, seventy-two, seventy-threeThis house was built seventy years ago.There are seventy (= seventy people) coming to the party.There was a seventy on the door of our hotel room.A seventy-eight (also 78) is an old-fashioned record which was played by being turned around 78 times every minute.I've got some old Billie Holiday 78s.
SEVENTY
Meaning of SEVENTY in English
Cambridge English vocab. Кембриджский английский словарь. 2012