first law of thermodynamics

Also found in: Dictionary, Medical, Acronyms, Encyclopedia, Wikipedia.
Related to first law of thermodynamics: 2nd law of thermodynamics
Graphic Thesaurus  🔍
Display ON
Animation ON
  • noun

Synonyms for first law of thermodynamics

the fundamental principle of physics that the total energy of an isolated system is constant despite internal changes

References in periodicals archive ?
It is based on the first law of thermodynamics addressed to finite speed processes and a new method for determining the imperfect regeneration coefficient (Chen & Yan, 1989), (Florea, 1999).
With the intention of helping readers attain such skills as flowcharting, performing degree of freedom analyses, identifying possible systems and subsystems, and applying the first law of thermodynamics, they describe real balanced and single unit processes, multiple unit process calculations, balances and reactive processes, multiple systems involving reaction recycling and purging, energy balance without reaction, energy balance with three actions, combined material and energy balances, unsteady state material and energy balances.
If you took physics or chemistry in school, remember the first law of thermodynamics.
One form of it is the first law of thermodynamics, which says that energy cannot be created from nothing.
In the absence of fields, the first law of thermodynamics (Plank, 1926; Callen, 1960; Gibbs, 1961; Kirkwood and Oppenheim, 1961; Lewis and Randall, 1961; Hatsopoulos and Keenan, 1965; Kestin, 1966; Tisza, 1966; Prausnitz, 1969; Modell and Reid, 1983; Guggenheim, 1988; Gyftopoulos and Beretta, 1991; Denbigh, 1993) relates the change in internal energy of a system to the changes that occur at its boundaries.
The First Law of Thermodynamics states that "What goes in must come out", (that's the gist of it anyway).
The First Law of Thermodynamics states that "the total inflow of energy into a system must equal the total outflow of energy from the system, etc.