adsorbent

/æd'sɔ:bənt/
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adsorbent

An adsorbent material is used to clean up a small chemical spill in the lab.

Definition

  1. 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.

  2. 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.
adsorbent

An adsorbent material is used to clean up a small chemical spill in the lab.

Adjective
  1. having capacity or tendency to adsorb or cause to accumulate on a surface
Noun
  1. a material having capacity or tendency to adsorb another substance

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