1. the second letter of the Greek alphabet
2. a preliminary version of software or a product released for testing
Usage: technology
3. a measure of a stock’s volatility relative to the overall market
Usage: finance

1. being a preliminary or test version
Usage: technology

Examples

• Beta is the second letter after alpha in the Greek alphabet.
• The company released a beta version of the app to select users.
• We’re testing the beta software before the official launch.
• A stock with a beta of 1.5 is more volatile than the market average.
• The beta features may not work perfectly yet.
• Developers often use beta testing to find bugs.
• The beta coefficient helps investors assess risk.