seventy

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seventy

1. the cardinal number that is the product of ten and seven
2. a numeral, 70, LXX, etc., representing this number
3. the numbers 70--79, esp the 70th to the 79th year of a person's life or of a particular century
4. the amount or quantity that is seven times as big as ten
Collins Discovery Encyclopedia, 1st edition © HarperCollins Publishers 2005
References in periodicals archive ?
increase in costs and only a seventyfold increase in assets from 1980 to
(218.) See ADAMs, supra note 216, at 177 ("Real national product increased nearly seventyfold in the United States between 1840 and 1960.").
The price of fertilizer went up seventyfold. The cost of agricultural machinery went up 20 to 50 times.