ribing a data compression algorithm which actually reduces the amount of information in the data, rather than just the number of bits used to represent that information. Opp.: lossless compression. [Computer and Information Sciences] 
n., The expectation of the lifespan of a person, culture, and so on. [Sciences] 
n., See
: machine language [Computer and Information Sciences] 
[Sciences] 
n., A data hierarchy that reflects the facilities of the computer, both hardware and software. [Computer and Information