centrifuge
/'sentrifju:dʤ/
Học thuậtThân thiện
Definition
Noun:
- A machine that uses centrifugal force to separate substances: A centrifuge is a device that spins rapidly to separate components of different densities within a mixture, typically liquids from solids or liquids from other liquids.
Verb:
- To separate substances using a centrifuge: To centrifuge means to subject a mixture to rapid rotation in a machine in order to separate its components by centrifugal force.
Usage Examples
Noun:
- The laboratory technician placed the blood samples in the centrifuge.
- A centrifuge is essential for separating cream from milk in dairy processing.
Verb:
- You need to centrifuge the mixture for five minutes to isolate the precipitate.
- The protocol requires centrifuging the solution at high speed.
Advanced Usage
"To be centrifuged": Describes a substance that has undergone separation in a centrifuge.
- The supernatant was removed after the sample was centrifuged.
"Centrifugal force": The apparent outward force that acts on a mass moving in a circular path, which is the principle behind a centrifuge's operation.
- The centrifuge works by generating strong centrifugal force.
Variants and Related Words
Centrifugation (n): The process of using a centrifuge; the act of separating substances by centrifugal force.
- The separation was achieved through centrifugation.
Centrifugal (adj): Moving or directed outward from a center.
- The centrifugal action of the spin cycle removes water from clothes.
Synonyms
- Separator: A general term for a device that separates components.
- Spinner: Informal term for a device that spins rapidly.
Related Phrases
"Spin down": A phrasal verb often used in laboratory contexts with a similar meaning to centrifuge.
- Spin down the tubes before analyzing the contents.
"Pellet by centrifugation": A common phrase describing the solid material gathered at the bottom of a tube after centrifuging.
- The cells formed a pellet by centrifugation.
Noun
- an apparatus that uses centrifugal force to separate particles from a suspension
Verb
- rotate at very high speed in order to separate the liquids from the solids