porousness
/pɔ:'rɔsiti/ Cách viết khác : (porousness) /'pɔ:rəsnis/
Definition
- Noun:
- The quality or state of being porous; the condition of having many small holes or spaces that allow liquids or gases to pass through. This is the primary meaning, describing a physical property of a material.
- Permeability; the capacity to absorb or transmit fluids. This sense emphasizes the functional aspect of the state of being porous.
Usage
- Porousness is a formal or technical noun used to describe a material's physical structure. It is often used in scientific, engineering, and material science contexts.
- It refers to the inherent characteristic of a substance, not a temporary condition.
Examples
- Noun:
- The porousness of the sandstone allows rainwater to seep through easily.
- Scientists measured the porousness of the new ceramic filter.
- The soil's high porousness is ideal for drainage but poor for retaining nutrients.
Advanced Usage
- "Degree of porousness": Specifies the extent or measurement of how porous a material is.
- The experiment aimed to determine the exact degree of porousness in different rock samples.
- In metaphorical use, porousness can describe non-physical concepts that allow easy passage or influence.
- The porousness of the country's borders became a major security concern. (This usage is less common and more figurative.)
Variants and Related Words
- Porous (adj): Having pores; able to absorb fluids or allow things to pass through.
- Sponges are porous materials.
- Porosity (n): A more common technical synonym for porousness, often used interchangeably in scientific contexts.
- The porosity of the bone structure was evident under the microscope.
Synonyms
- Permeability: The property of allowing fluids or gases to pass through.
- Sponginess: The quality of being soft and full of holes like a sponge; often implies absorbency.
- Absorbency: The ability to soak up liquids.
Antonyms
- Impermeability: The quality of not allowing fluids or gases to pass through.
- Solidity: The quality of being firm, dense, and without holes.
- Density: The degree of compactness of a substance; high density often correlates with low porousness.
Noun
-
the property of being porous; being able to absorb fluids
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