Definition

Noun: A sealed enclosure from which air and nearly all other gases have been removed, creating a space with very low pressure. It is used for scientific experiments, industrial processes, or testing where the presence of air would interfere.

Usage

A "vacuum chamber" is used as a countable noun. It typically refers to the physical apparatus itself. - The experiment must be conducted inside a vacuum chamber. - The manufacturer tests the components in a vacuum chamber to simulate space conditions.

Examples

• Scientists placed the sample in the vacuum chamber to observe its behavior without atmospheric interference.
• Large vacuum chambers are used to test spacecraft before launch.
• Creating a perfect vacuum inside a vacuum chamber is technically very challenging.

Advanced Usage

• "to evacuate a vacuum chamber": This phrase describes the process of removing air from the chamber to create the vacuum.
  • It took several hours to fully evacuate the large vacuum chamber.

Variants and Related Words

• Vacuum (noun): A space entirely devoid of matter, or in practical terms, a space containing gas at pressure considerably below atmospheric pressure.
  • The pump creates a high vacuum.
• Chamber (noun): A enclosed space or compartment.
  • The combustion chamber of an engine.

Synonyms

• Evacuated chamber: A more technical term emphasizing the action of removing the air.
• Low-pressure chamber: A term describing the key characteristic of the environment inside.

Related Phrases

• Vacuum pump (noun phrase): The device used to remove gas from a vacuum chamber.
  • The vacuum pump is essential for maintaining the low pressure inside the chamber.
• Under vacuum (prepositional phrase): The state of being inside a vacuum environment.
  • The device was operated under vacuum.

Noun

1. a chamber from which nearly all matter (especially air) has been removed