alt alt /ælt/

abbreviation

1. Alternate (alt) - Offering a choice between two or more things.  ( alt )
   Alternate (alt) - Offering a choice between two or more things.
   
2. Altitude (alt) - The height of an object or point in relation to sea level or ground level.  ( alt )
   Altitude (alt) - The height of an object or point in relation to sea level or ground level.
   
3. (music)alto (alt) - A voice, instrument, or part below the highest range and above tenor, in particular.  ( alt )
   (music)alto (alt) - A voice, instrument, or part below the highest range and above tenor, in particular.
   

 ALT

noun

1. Angular distance above the horizon (especially of a celestial object)  ( ALT , altitude , EL , elevation )
   angular distance above the horizon (especially of a celestial object)