| enthalpy |
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noun - (physics) In thermodynamics, a measure of the heat content of a chemical or physical system
| | | entropy |
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noun (entrop, ies, -)
- (context, thermodynamics, countable)
- strictly thermodynamic entropy. A measure of the amount of energy in a physical system which cannot be used to do mechanical work.
- A measure of the disorder present in a system (now becoming obsolete in chemistry http://www.entropysite.com/).
- The capacity factor for thermal energy that is hidden with respect to temperature http://arxiv.org/pdf/physics/0004055.
- The dispersal of energy; how much energy is spread out in a process, or how widely spread out it becomes, at a specific temperature. http://www.entropysite.com/students_approach.html
- (context, statistics, information theory, countable) A measure of the amount of information and noise present in a signal.
- (uncountable) The tendency of a system that is left to itself to descend into chaos.
| | evolution |
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noun
- (context, general) A gradual process of development, formation, or growth, esp. one leading to a more advanced or complex form.
- (biology) The change in the genetic composition of a population over successive generations.
- (mathematics) The extraction of a root from a quantity.
- (military) One of a series of ordered movements.
| | expansive |
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adjective
- Able to be expanded.
- Comprehensive in scope or extent.
- Talkative and sociable.
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