compressibility
/kəm,presi'biliti/
Học thuậtThân thiện
Definition
Noun: 1. The property of being able to occupy less space; the quality or degree of being compressible. It refers to the physical characteristic of a substance (like a gas, liquid, or solid) that allows its volume to be reduced when pressure is applied. 2. (Physics) A specific measure of this property. Often quantified as the reciprocal of bulk modulus, indicating how much the volume of a material decreases per unit increase in pressure.
Examples of Usage
- Noun:
- The high compressibility of air is what allows us to pump large volumes of it into a small tire.
- Engineers must consider the compressibility of the fluid when designing high-pressure hydraulic systems.
- Unlike gases, liquids have very low compressibility.
Advanced Usage
- "Compressibility factor" (Z): A dimensionless thermodynamic quantity used to correct the ideal gas law for real gas behavior, directly related to compressibility.
- At high pressures, the compressibility factor of natural gas deviates significantly from 1.
- In aerodynamics, compressibility effects become significant when an aircraft's speed approaches the speed of sound, as the air can no longer be treated as incompressible.
Variants and Related Words
- Compressible (adj): Able to be compressed or made more compact.
- Foam is a highly compressible material.
- Incompressibility (n): The property of resisting reduction in volume; the opposite of compressibility.
- Water is often approximated as having incompressibility for basic fluid dynamics calculations.
- Compression (n): The act or process of compressing, or the state of being compressed.
- Data compression reduces file size.
Synonyms
- Squeezability: (Informal) The capability of being squeezed into a smaller space.
- Compactibility: The ability to be made compact or dense.
Related Phrases
- Bulk modulus: The specific measure of a substance's resistance to uniform compression, inversely related to compressibility.
- A material with a high bulk modulus has low compressibility.
Noun
- the property of being able to occupy less space