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.

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.

4 days ago · 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.

4 days ago · Explore BETA Technologies' electric aircraft ambitions, financial risks, and market outlook. Learn if BETA's stock is worth the watch or a risky buy.

Oct 31, 2025 · Lower-case beta (βῆτα), the second letter of the ancient Greek alphabet. It represented the voiced bilabial plosive: /b/ and later the voiced labiodental fricative /v/.

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.

beta adjective [before noun] (person) used to describe someone who prefers other people to be in charge and may be shy or lack confidence: