(physics) The radiation of alpha particles as a result of radioactive decay.

The alpha privative, the prefix a-. / An alpha privative, a word formed with that prefix.

plural of alpha male

(computing) A computer graphics technique that simulates translucency by combining colours.

(computer graphics) A numerical value specifying a level of translucency to be applied to a colour.

(informal) Abbreviation of Alpha Centauri.

(astronomy) The brightest star in the southern constellation of Centaurus. Alpha Centauri is actually a binary star with Alpha Centauri C or Proxima Centauri as a third component. Alpha Centauri A is the brightest star of the system and is somewhat brighter than our sun. Alpha Centauri B is somewhat fainter than Alpha Centauri A but much brighter than Proxima Centauri.

plural of alpha channel

plural of alpha helix

plural of alpha particle