[hy.per.in.fla.tion] n (1930): inflation growing at a very high rate in a very short time; also: a period of hyperinflation -- hy.per.in.fla.tion.ary adj
HYPERINFLATION
Meaning of HYPERINFLATION in English
Merriam-Webster English vocab. Английский словарь Merriam Webster. 2012