adsorbent
/æd'sɔ:bənt/
Definition
Adjective:
- Having the capacity or tendency to adsorb or cause another substance to accumulate on a surface. It describes a material that can attract and hold molecules of a gas, liquid, or dissolved substance onto its surface.
Noun:
- A material that has the capacity or tendency to adsorb another substance. It is the physical substance that performs adsorption.
Usage Examples
Adjective:
- Activated charcoal is a highly adsorbent material used in water filters.
- The adsorbent properties of the clay make it useful for purifying oils.
Noun:
- Silica gel is a common adsorbent found in small packets to control moisture.
- The laboratory used a new adsorbent to remove the toxin from the solution.
Advanced Usage
- Technical Context: In chemistry and engineering, "adsorbent" is used to specify materials designed for separation, purification, or catalytic processes.
- The study compared the efficiency of various adsorbents for carbon capture.
Variants and Related Words
- Adsorb (verb): To accumulate (molecules of a gas, liquid, or dissolved substance) on a surface in a condensed layer.
- The activated carbon will adsorb the impurities.
- Adsorption (noun): The process by which a solid holds molecules of a gas, liquid, or solute as a thin film on its surface.
- The adsorption of gases is a key principle in air filtration.
- Adsorptive (adjective): Relating to or characterized by adsorption. (Often used interchangeably with "adsorbent" as an adjective).
- The material's adsorptive capacity was measured.
Synonyms
- Absorbent (Note: This is a close but distinct synonym. "Absorbent" refers to a material that soaks up a liquid or gas its bulk, while "adsorbent" holds it its surface.)
- Sorbent (A general term for a material that either absorbs or adsorbs.)
Antonyms
- Non-adsorbent: Lacking the capacity to adsorb.
- Desorbent: A substance used to remove an adsorbed material from an adsorbent.
Adjective
-
having capacity or tendency to adsorb or cause to accumulate on a surface
Noun
-
a material having capacity or tendency to adsorb another substance
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