BETA's electric aviation systems are transforming medical, logistics, and military capabilities. Four successful U.S. Department of Defense (DoD) engagements have integrated this technology into defense applications, advancing performance while safeguarding critical national security assets. Beta can be used to refer to several consumer and professional videotape formats developed by Japan's Sony Corporation. Although similarly named, they are very different in function and obsolescence. The meaning of BETA is the 2nd letter of the Greek alphabet. How to use beta in a sentence. What Is Beta? Beta is an indicator of the price volatility of a stock or other asset in comparison with the broader market. It suggests the level of risk that an investor takes on in buying the. Beta (B, β) is the second letter of the Greek alphabet. Beta or BETA may also refer to: Beta (velocity), the speed of an object relative to the speed of light in special relativity. This disambiguation page lists articles associated with the title Beta. Welcome to the Beta USA online store. Order OEM parts, accessories, and apparel directly from Beta USA! If you find a product that is out of stock, simply add it to your WishList. You can manage these Back Ordered products by checking often or by using the “Notify Me” option. The beta symbol (Β β) — used for regression coefficients, beta particles, and finance beta. Copy and paste it, or see its Unicode, TeX, and Alt codes. 1. the second letter of the Greek alphabet (Β, ß). 2. (cap.) the second brightest star in a constellation: Beta Tauri. 3. the second of any series. Betausa.com will be closed in observance of Labor Day. Free Ground Shipping on orders over $150. All in-stock orders must be placed by 1pm PST to ship same day. The Greek small letter β (beta) is used throughout mathematics and physics as a variable standing for an unknown or changing quantity, and as a coefficient or parameter standing for a value fixed by the context.