dispersing medium
Học thuậtThân thiện
A student observes tiny particles suspended in a clear dispersing medium under a microscope.
Definition
- Noun:
- (Chemistry, of colloids): A substance in which another substance is colloidally dispersed. It is the continuous phase that surrounds and holds the dispersed particles in a colloidal system.
Usage
- The term is used specifically in chemistry and physics to describe the continuous phase of a colloidal mixture.
- It is often contrasted with the "dispersed phase," which refers to the particles that are scattered within the medium.
Examples
- Noun:
- In milk, water is the dispersing medium for fat globules.
- The dispersing medium in fog is air, which holds tiny water droplets.
- For the experiment, we need to identify a suitable dispersing medium for the pigment particles.
Advanced Usage
- "Continuous phase": A more general synonym often used interchangeably with "dispersing medium" in colloid science.
- The oil acts as the continuous phase, or dispersing medium, in this emulsion.
Variants and Related Words
- Dispersion medium: An exact synonym for "dispersing medium."
- Dispersed phase (n): The substance that is distributed as particles within the dispersing medium.
- Continuous phase (n): The phase that forms the matrix in which another substance is dispersed.
Synonyms
- Continuous phase
- Dispersion medium
- External phase (specifically in emulsions)
Related Phrases
- Colloidal dispersion: A system consisting of a dispersing medium and a dispersed phase.
- A gel is a type of colloidal dispersion where the dispersing medium is a solid.
A student observes tiny particles suspended in a clear dispersing medium under a microscope.
Noun
- (of colloids) a substance in which another is colloidally dispersed