Definition of "fifty-fold" [fifty-fold]

• Fifty times.

The Century Dictionary (Public Domain)

• "China increased solar panel production fifty-fold between 2005 and 2010."
• "I will show how an investment of perhaps $20B will result in a trillion dollars worth of resources – a fifty-fold gain, with tremendous benefits for all of humanity humanity."
• "Bigger is not better when a 1 kilometer asteroid masses fifty times as much as Apophis, and thus requires a fifty-fold increase in the product of mission time and fuel mass."