- n increasing by a factor of five
- v increase fivefold
- It is basically the story of an immature industry that grew way too fast, quintupling the size of its plants in just a few years, even as it was struggling with dangerously complex .
- But nothing has threatened the airline's survival more than the quintupling of oil prices.
- The strategy seemed justified: OPEC's quintupling of prices since late 1973 has aggravated both inflation and recession in industrialized countries.