beta

An early, test version of software or a product.

"They released the beta version to users."

An unassertive or submissive person, often male, lacking dominance.

"He was labelled a beta male."

A measure of a stock's volatility relative to the market.

"This stock has a high beta."

Denoting the second in a series, or a specific isomer or radiation type.

"Beta particles are emitted during decay."

Relating to an early, test version of software or a product.

"The beta software had some bugs."

The second letter of the Greek alphabet (Β, β).

"The symbol for beta is β."