entropy
英 ['entrəpɪ]
美['ɛntrəpi]
	    - n. [热] 熵(热力学函数)
 
英英释意
- 1. (communication theory) a numerical measure of the uncertainty of an outcome;
 - "the signal contained thousands of bits of information"
 
- 2. (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"