Open English Wordnet
Nouns
(n)information, selective information, entropy(communication theory) a numerical measure of the uncertainty of an outcome“the signal contained thousands of bits of information”
(n)randomness, entropy, S(thermodynamics) a thermodynamic quantity representing the amount of energy in a system that is no longer available for doing mechanical work“entropy increases as matter and energy in the universe degrade to an ultimate state of inert uniformity”