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vacuum
Definition
A vacuum is a space where there is no matter. It is the absence of air or other gases.
Vacuums can be created by sucking out the air or by using a pump to remove the air. They can also be found in nature, such as in space.
Vacuums are used in many different ways, such as in vacuum cleaners, space telescopes, and particle accelerators.
How can the word be used?
The vacuum cleaner created a vacuum in the room.
Different forms of the word
Noun:
- a space that is empty of matter.
- a device that creates a partial vacuum.
Adjective:
- of or relating to a vacuum.
Etymology
The word "vacuum" comes from the Latin word "vacuus", which means "empty".
The first recorded use of the word "vacuum" in English was in the 16th century.
Question
What is a vacuum?