a secondary structure occurring in many proteins, consisting of several polypeptide chains running in parallel or alternating directions and joined by intermolecular hydrogen bonds, creating a flexible, strong arrangement.
- Beta test
Psychology. a set of mental tests designed to measure the general intelligence of individuals unable to read and write adequately or at all, used by the U.S. Army in World War I. Computers. a quality-control technique in which hardware or software is subjected to trial in the environment for which it was designed, usually after […]
- Beta testing
Computers. to subject (software or hardware) to a beta test. Contemporary Examples From War to Work: Why and How Companies Should Hire Post-9/11 Veterans Zachary Iscol October 30, 2012 noun a test of a new or modified piece of computer software by customers who volunteer to do so verb (transitive) to test (software) in this […]
- Beta version
the particular version of software or hardware that is used in a beta test. Contemporary Examples Inside the Secret New Internet Browser David Kirkpatrick November 6, 2010 beta version The version of a software product that is used in the final stage of testing before it is commercially released. Testing of a beta version is […]
- Beta wave
See under beta rhythm.