vacuum pump
Definition
- Noun:
- A device that removes gas molecules from a sealed volume to create a partial vacuum: A vacuum pump is a mechanical device designed to extract air or other gases from an enclosed space, thereby lowering the pressure inside that space to create a vacuum.
Usage Examples
- Noun:
- The laboratory technician used a vacuum pump to evacuate the chamber before the experiment.
- A vacuum pump is an essential component in many refrigeration and air conditioning systems.
- To preserve the documents, they were sealed in a container from which the air was removed by a vacuum pump.
Advanced Usage
- "to operate/run a vacuum pump": to start and control the functioning of the device.
- You must operate the vacuum pump for at least ten minutes to achieve the desired pressure.
- "high-vacuum pump": a specific type of pump capable of creating a very strong vacuum, often used in scientific research.
- The physics experiment required a high-vacuum pump to create an ultra-low-pressure environment.
Variants and Related Words
- Vacuum (n): a space entirely devoid of matter, or a space from which air has been partially removed.
- The food was sealed in a vacuum to keep it fresh.
- Pump (n): a device used to move fluids (liquids or gases) by mechanical action.
- She inflated the bicycle tire using a hand pump.
Synonyms
- Air pump: A general term for a pump that moves air, though not exclusively for creating a vacuum.
- Extractor pump: A pump that extracts or removes gas.
Related Phrases
- "under vacuum": a state or condition where a space has had air removed by a pump.
- The sample was placed under vacuum to remove all moisture.
- "to pump down a chamber": to use a vacuum pump to reduce the pressure in a sealed container.
- The first step is to pump down the chamber to the correct pressure level.
Noun
-
a pump that moves air in or out of something
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