Definition of "exponential growth" []

• The growth in the value of a quantity, in which the rate of growth is proportional to the instantaneous value of the quantity; for example, when the value has doubled, the rate of increase will also have doubled. The rate may be positive or negative. (noun)
• Very rapid growth. (noun)

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• "Plotted out on graph paper, exponential growth is parabolic."
• "Plotted out on semi-logarithmic graph paper, exponential growth results in a straight line."