beta be·ta (bā'tə, bē'-)
Symbol β The second letter of the greek alphabet.
The second item in a series or system of classification.
A beta particle.
A beta ray.
Of or relating to the second position from a designated carbon atom in an organic molecule at which an atom or a radical may be substituted.
Of or relating to an isomeric variation of a chemical compound, such as a stereoisomer.
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