Dictionary of Human Evolution and Biology

  • -id > 9:3
   

Entropy

1. measure of the amount of energy unavailable for work in a thermodynamic system.

2. measure of the frequency of an event within a closed system; probability of an event in such a system.

3. noise or error in information.

4. degree of sameness or homogeneity; for example, in population genetics, the relentless march toward homozygosity.

Cf. information.

Full-Text Search Entries