Definition

Noun: - The rate of increase in size per unit time: A measure of how quickly something grows or increases in size, quantity, or value over a specific period. It is typically expressed as a percentage or a proportional change.

Usage

The term "growth rate" is used to quantify the speed of change in various measurable quantities over time. It is a fundamental concept in fields like biology, economics, finance, and demography. - It is often calculated as the change in value divided by the original value, over a specific time interval. - It can refer to positive growth (increase) or negative growth (decrease, often called a negative growth rate).

Examples

• In Biology/Ecology:
  • The growth rate of the bacterial culture was measured hourly.
  • A slow growth rate is characteristic of this species of tree.
• In Economics/Business:
  • The company reported an annual revenue growth rate of 5%.
  • Economists are concerned about the slowing GDP growth rate.
• In Demography:
  • The population growth rate has declined in many developed nations.

Advanced Usage

• Compound Annual Growth Rate (CAGR): A specific calculation used in business and investing to provide a smoothed annual rate of growth, eliminating the volatility of periodic returns.
  • The investment had a CAGR of 8% over the five-year period.
• Exponential Growth Rate: Describes a situation where the growth rate of a mathematical function is proportional to the function's current value, leading to rapid increase.
  • The virus spread at an exponential growth rate before interventions were implemented.

Variants and Related Words

• Growth (n): The process of increasing in physical size, quantity, or importance.
  • The rapid growth of the city was unexpected.
• Rate (n): A measure, quantity, or frequency, typically one measured against another.
  • The unemployment rate is a key economic indicator.

Synonyms

• Rate of growth: The speed at which something grows.
• Increase rate: The pace at which something becomes larger or greater.
• Expansion rate: The rate at which something expands in size, scope, or volume.

Related Phrases

• Zero growth rate: A situation where there is no increase in size or quantity over time.
  • The market has reached a zero growth rate.
• Sustained growth rate: A growth rate that is maintained over a long period.
  • Achieving a sustained growth rate is the company's primary goal.

Noun

1. the rate of increase in size per unit time