irreversible process
Học thuậtThân thiện
Definition
Noun: A physical or chemical change that cannot be reversed to restore the system and its surroundings to their original states. Energy is dissipated, and entropy increases.
Usage
The term describes a fundamental concept in thermodynamics, indicating a process whose effects cannot be undone. It is used in scientific, technical, and metaphorical contexts. * The mixing of two gases is an irreversible process; they will not spontaneously separate. * In thermodynamics, heat transfer from a hot object to a cold one is a classic example of an irreversible process. * The rusting of iron is an irreversible process under normal atmospheric conditions.
Advanced Usage
- In Information Theory: The deletion of data or the logical operation of an AND gate are often cited as irreversible processes because the original inputs cannot be deduced from the output.
- Metaphorical Use: The term can describe societal or personal changes perceived as permanent.
- Many historians argue that the Industrial Revolution was an irreversible process for human society.
Variants and Related Words
- Irreversibility (n): The quality or state of being irreversible.
- The irreversibility of time is a common theme in philosophy.
- Reversible Process (n): The conceptual opposite—an idealized process that can be reversed without leaving net changes in the system and surroundings.
Synonyms
- One-way process
- Non-reversible change
- Dissipative process
Antonyms
- Reversible process
Related Phrases/Concepts
- Second Law of Thermodynamics: This law is fundamentally connected to irreversible processes, stating that the total entropy of an isolated system can never decrease over time.
- Entropy Increase: A key signature of an irreversible process is the net increase in entropy.
- Arrow of Time: The perceived one-way direction of time from past to future is grounded in the prevalence of irreversible processes in nature.
Noun
- any process that is not reversible