[{"Bold_text": "noun", "List Items": ["the first letter of the Greek alphabet (A, ?).", "the vowel sound represented by the first letter of the Greek alphabet.", "the first; the beginning.", "Alpha,Astronomy.used to designate the brightest star in a constellation:Alpha Arietis is the brightest star in Aries.", "Chemistry.one of two or more isomeric compounds.", "the first in a series of related items: frequently used in chemistry and physics.", "Computers.an early phase of hardware or software development, in which the product is tested by its developers or manufacturers: alpha test(def) alpha test(def).Some modules are complete and ready for consumers while others are still in alpha.", "Chiefly British.a mark or grade corresponding to an A.Compare beta(def9) beta(def9), gamma(def9) gamma(def9).", "alpha male(def) alpha male(def)."]}, {"Bold_text": "adjective", "List Items": ["(of an ) having the highest rank in a dominance hierarchy:the alpha female of an elephant pack.being the most dominant, powerful, or assertive person in a particular group.Slang: Sometimes Disparaging.being or relating to a man who is perceived to be assertive, successful, and sexually dominant.", "(of an ) having the highest rank in a dominance hierarchy:the alpha female of an elephant pack.", "being the most dominant, powerful, or assertive person in a particular group.", "Slang: Sometimes Disparaging.being or relating to a man who is perceived to be assertive, successful, and sexually dominant.", "alphabetical :Put the files in alpha order.", "Computers.being, relating to, or undergoing the early phase of product development in which a product is tested by its developers or manufacturers: alpha test(def) alpha test(def).The initial release is really an alpha version only available to developers.", "Chemistry.relating to or linked to the carbon atom closest to a particular group in an organic molecule."]}]