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Entropy
01
a thermodynamic measure of the degree of disorder or randomness in a system, denoted by S
Examples
When ice melts into water at a higher temperature, the entropy of the system increases.
Gas molecules in a container have higher entropy than the same molecules in a more ordered liquid state.
02
a numerical measure of the uncertainty or unpredictability of an outcome or information source
Examples
The entropy of the message stream was calculated to optimize compression.
High entropy in a password indicates greater security.
