Beta is often used to denote a variable in mathematics and physics, where it often has specific meanings for certain applications. β is sometimes used as a placeholder for an ordinal number if α is …

The meaning of BETA is the 2nd letter of the Greek alphabet. How to use beta in a sentence.

Dec 16, 2025 · Beta is a financial metric used to evaluate a stock’s volatility and risk relative to the broader market — essential for understanding investment performance.

BETA definition: the second letter of the Greek alphabet (β, B). See examples of beta used in a sentence.

The Greek letter beta (β). In mathematics and science, it is often used to denote a variable or a parameter, such as an angle or the beta coefficient in regression analysis.

Learn about the Greek letter Beta (β), its pronunciation, usage examples, and common applications in mathematics, science, and engineering.

Etymologically, beta came from beth (the second letter of the Phoenician alphabet), meaning "house". The Greek letter Beta is especially used in finance, science, mathematics, statistics and typography.