doubling
n. C / Un. an increase that makes something twice as large or twice as much as it was before. It is often used when talking about numbers, prices, or sizes growing quickly.
n. the act or process of becoming twice as great or as numerous. Often used in financial or statistical contexts to describe rapid growth or expansion.
The doubling of house prices has made it hard for young people to buy.
Economists are concerned that the doubling of energy costs over such a short period will trigger a recession.
The rapid doubling of the population within a single generation placed an unprecedented strain on the city's aging infrastructure and public services.
Uncountable when referring to the general process; countable when referring to a specific instance of growth.