(finance) A metric used to determine the abnormal return of a security or portfolio over the theoretical expected return.

(aviation) The maximum angle of attack (AoA), maximum nose-up angle. The highest degree of displacement from (relative) horizontal (the airstream, not the ground level, nor the theoretical flat gravitational surface), that an airplane can achieve and still maintain forward flight (without stalling), at the speed that the aircraft is travelling.

(marketing, demographics, informal) Generation Alpha

A member of Generation Alpha.

plural of alpha max

(biochemistry) The predominant form of vitamin E.

plural of alpha wrap

A form of helical scan in which the tape is wrapped around the head drum for a full 360 degrees (the tape looking like the lowercase Greek letter alpha). There is only one head which writes a complete stripe for every revolution of the head.

plural of alpha strike

(military) A sudden, massive, devastating concentration of fire upon a single opponent in order to immediately neutralize the opponent with overwhelming force.