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The empirical observation that heat will always flow from warmer to colder regions of matter.
Definition source: English Wiktionary via Wiktextract
Usage: singular, singular-only
Topics: natural-sciences, physical-sciences, physics
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
a law stating that mechanical work can be derived from a body only when that body interacts with another at a lower temperature; any spontaneous process results in an increase of entropy
Definition source: Princeton WordNet 3.0
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
Broader terms: law of thermodynamics
No etymology was provided for this word.