nonporous
Học thuậtThân thiện
Definition
- Adjective:
- Not allowing the passage of fluids or air through small holes; lacking pores or tiny openings. Describes a material that is dense and impermeable, meaning liquids or gases cannot soak into or pass through it.
- Specifically, in biology/botany, not having vessels that appear as pores. Used to describe tissues, especially wood, that lacks visible pore structures.
Usage Examples
- Adjective:
- A nonporous surface like glass or stainless steel is easier to clean and disinfect.
- The countertop is made from a nonporous composite material, so it won't stain.
- The botanist studied the nonporous wood under a microscope.
Advanced Usage
- Technical/Scientific Context: The term is often used in materials science, construction, biology, and chemistry to specify the impermeable quality of a substance.
- For this experiment, we require a nonporous membrane to separate the two chambers.
- Comparative Usage: Often used in contrast with "porous" to highlight a key difference in material properties.
- Unlike porous concrete, the nonporous sealant prevents water damage.
Variants and Related Words
- Impermeable (adj): Not allowing fluid to pass through. (A close synonym, often used interchangeably with "nonporous" for surfaces).
- Impervious (adj): Not allowing entrance or passage; impenetrable. (Slightly stronger, can be used for nonporous materials).
- Dense (adj): Closely compacted in substance. (Describes the physical structure that leads to being nonporous).
- Porous (adj): The direct antonym, meaning full of tiny holes that allow passage.
Synonyms
- Impermeable
- Impervious
- Airtight (in specific contexts)
- Watertight (in specific contexts)
Antonyms
- Porous
- Permeable
- Absorbent
Related Phrases/Compounds
- Nonporous material: A common compound noun referring to any substance with this property.
- Granite is a popular nonporous material for kitchen counters.
Adjective
- not porous; especially not having vessels that appear as pores
- nonporous wood