isothermal

/'aisouθə:məl/

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Word: Isothermal

Part of Speech: Adjective

Definition: The word "isothermal" describes a process or change that occurs at a constant temperature. This means that throughout the process, the temperature does not change, even if other conditions may vary.

Usage Instructions:

• "Isothermal" is mostly used in scientific contexts, especially in fields like physics, chemistry, and engineering. When you describe a process as isothermal, you are indicating that temperature remains constant, which can be important for understanding how the process works.

Example:

• "During an isothermal expansion of a gas, the temperature of the gas remains the same while it expands."

Advanced Usage:

• In thermodynamics, isothermal processes are often analyzed using the ideal gas law, where the pressure and volume of a gas change while the temperature stays constant. This can be represented mathematically in equations.

Word Variants:

• Isotherm (noun): A line on a graph or map that connects points of equal temperature.
• Isothermality (noun): The quality or state of being isothermal.

Different Meanings:

• In general use outside of scientific contexts, "isothermal" may not have many other meanings. However, it is specific to processes involving heat and temperature.

Synonyms:

• Constant temperature
• Thermal equilibrium (in some contexts)

Idioms and Phrasal Verbs:

• There are no specific idioms or phrasal verbs that directly relate to "isothermal." However, you might encounter phrases like "at room temperature" or "thermal stability" in discussions about temperature and processes.

Summary:

To sum up, "isothermal" is an adjective used to describe processes that maintain a constant temperature. It is primarily used in scientific discussions, especially in thermodynamics.

Academic

Adjective

1. of a process or change taking place at constant temperature