Whether an Internet user is stumped for the meaning of a termor hung up on how many nibbles make up a bit, chances are online encyclopedia Webopedia has answers.
1 Atomic absorption spectroscopy (AAS) : A technique used to identify the presence and concentration of substances by analysing the spectrum produced when a substance is vaporised and absorbs certain frequencies of light.2  AAS is used particularly for detecting the concentrations of metal ions in solutions. Atomic absorption spectroscopy (AAS) : A technique used to identify the presence and concentration of substances by analysing the spectrum produced when a substance is vaporised and absorbs certain frequencies of light.
AAS stands for Associates in Applied Science.. It is a two year college degree that is very career oriented, and designed to give the student all the expertise necessary to enter the workforce in entry level positions upon completion.