Bing found the following results
Beta: Definition, Calculation, and Explanation for Investors
Beta Definition & Meaning - Merriam-Webster
Beta - What is Beta (β) in Finance? Guide and Examples
Beta - Wikipedia
BETA | definition in the Cambridge English Dictionary
BETA | English meaning - Cambridge Dictionary
BETA Definition & Meaning | Dictionary.com
What Is Beta? – Forbes Advisor
Understanding Beta: Definition, Calculation, Uses - Investing.com
Beta Definition & Example | InvestingAnswers