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ECONOMICS exponential growth/increase/rise etc a rate of growth that becomes faster and faster over time:
• Tropical diseases are becoming more common in affluent parts of the world due to an exponential increase in air travel during the past fifty years.
• The social security budget was rising at an exponential rate.
— exponentially adverb :• Demand for eye tests from the over-60s is increasing exponentially.
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exponential UK US /ˌekspəʊˈnentʃəl/ adjective► becoming quicker and quicker: »We are looking for exponential growth in our investment.
»There has been an exponential increase in sales since the new advertising campaign began.
exponentially /ˌekspəˈnenʃəli/ US /-spoʊ-/ adverb FORMAL► »Our business is growing exponentially.
Financial and business terms. 2012.