0 present participle of quadruple --
1 to become four times as big, or to multiply a number or amount by four: --
The quadrupling of oil prices has imposed a massive external debt on the developed world.
A quadrupling of size is an enormous change.
Does he think they will accept a trebling or quadrupling of rents?
What we are facing is not a shortage of energy, but the quadrupling of the price of the most indispensable element of our civilisation.
We all know about the quadrupling of the price of oil.
The real point was whether you were doubling or quadrupling the duty.
You are trebling or quadrupling the weight carried on the roads, which means wearing them very badly.
In this clause there is more than a doubling of the minimum period and more than a quadrupling of the full period.
