Definitions:

1. preliminary or testing stage of a software or hardware product adjective
   • a beta version
2. second in order of importance adjective
   • The candidate, considered a beta, was perceived to be unable to lead the party to victory.

NearBy Words:

• beta-adrenoceptor
• beta-carotene
• beta-interferon
• beta-lactamase
• beta-lipoprotein
• beta-naphthol
• betaine
• betatron