Meanings
- A theorem stating that, for a thermodynamic system exchanging heat with external reservoirs and undergoing a thermodynamic cycle, ∮(δQ)/(T_surr)≤0,, where δQ is the infinitesimal amount of heat absorbed by the system from the reservoir, and T_surr is the temperature of the external reservoir (surroundings) at a particular instant in time.
Origin
Developed by German physicist and mathematician Rudolf Clausius.
Full word history & related roots →Cite this entry
Clausius theorem. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/Clausius%20theorem
“Clausius theorem.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/Clausius%20theorem. Accessed November 4, 2026.
WatkinsX Dictionary, s.v. “Clausius theorem,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/Clausius%20theorem.
Source: Clausius theorem on Wiktionary, CC BY-SA 4.0.