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beta rays
Beta variant
beta
Identifying a molecular position in an organic chemical compound. / Designates the second in an order of precedence.
beta
(computing) To preliminarily release computer software for initial testing prior to final release. / (chiefly Internet) To beta-read a text.
（ present singular third-person ）
（ participle present ）
（ participle past ）
（ past ）
open beta
Something that is in its beta stage, or being tested.
beta particle
(physics) An energetic electron or positron produced as the result of a nuclear reaction or nuclear decay.
beta version
(computing) An early version of a program or application that contains most of the major features, but is not yet complete. Sometimes these versions are released only to a select group of people, or to the general public, for testing and feedback. This is the second major stage of development following the alpha version, and comes before the release candidate.
beta wave
(neurology) An electrical signal produced by the brain while the subject mentally active.
beta-lactam
(organic chemistry) A lactam having a four-membered ring structure; a structural element of many antibiotics such as penicillin.
