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Beta (UK: / ˈ b iː t ə /, US: / ˈ b eɪ t ə /; uppercase Β, lowercase β, or cursive ϐ; Ancient Greek: βῆτα, romanized: bē̂ta or Greek: βήτα, romanized: víta) is the second letter of the Greek alphabet. In the system of Greek numerals, it has a value of 2.
β 1 and β 2, or beta-1 and beta-2, adrenergic receptors; Beta, a rank in a community of social animals; See Alpha; Beta carbon, in organic chemistry—the second carbon atom in a chain when counting from a functional group; See Alpha and beta carbon; Beta cell, a type of cell in the pancreas, which produces insulin; Beta sheet, a secondary ...
The voiced bilabial fricative is a type of consonantal sound, used in some spoken languages.The symbol in the International Phonetic Alphabet that represents this sound is β , and the equivalent X-SAMPA symbol is B.
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By definition, the market as a whole has a beta of 1, and everything else is defined in relation to that: Stocks with a value greater than 1 are more volatile than the market, ...
Alpha male and beta male are pseudoscientific terms for men derived from the designations of alpha and beta animals in ethology. They may also be used with other genders, such as women, or additionally use other letters of the Greek alphabet (such as omega). The popularization of these terms to describe humans has been widely criticized by ...
The word alphabet is a compound of alpha and beta, the names of the first two letters in the Greek alphabet. Old English was first written down using the Latin alphabet during the 7th century. During the centuries that followed, various letters entered or fell out of use. By the 16th century, the present set of 26 letters had largely stabilised: