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Medical Dictionary

1

alpha

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noun al·pha \ˈal-fə\

Medical Definition of alpha

  1. 1:  the 1st letter of the Greek alphabet—symbol Α or α

  2. 2:  alpha particle

  3. 3:  alpha wave




2

alpha

adjective al·pha

Medical Definition of alpha

  1. 1:  of or relating to one of two or more closely related chemical substances <the alpha chain of hemoglobin> <α-yohimbine>—used somewhat arbitrarily to specify ordinal relationship or a particular physical form, especially one that is allotropic, isomeric, stereoisomeric, or sometimes polymeric (as in α-D-glucose)

  2. 2:  closest in position in the structure of an organic molecule to a particular group or atom; also :  occurring at or having a structure characterized by such a position <α-substitution>



Variants of alpha

or α-

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