Translation guide
A space entirely devoid of matter, including air. In everyday English, it can also refer to a very strong vacuum (like in a vacuum cleaner) or a metaphorical emptiness.
Describing a theoretical or ideal space with zero particles, often in physics or engineering contexts.
The direct technical term for a perfect vacuum. Used in scientific and engineering contexts.
Creating a perfect vacuum is extremely difficult.
Literally 'absolute vacuum', sometimes used interchangeably with 完全真空, but can imply an even more theoretical ideal.
Absolute vacuum is a theoretical concept.
Referring to a vacuum cleaner's powerful suction or a container with almost no air, not necessarily a scientific perfect vacuum.
Using 'perfect vacuum' figuratively to describe a total lack of something, such as sound, emotion, or activity.
Literally 'perfect blank/emptiness', used for abstract concepts like a vacuum of information or emotion.
His mind was a perfect vacuum.
Means 'perfect nothingness/void', stronger and more philosophical than 空白.
Space is not a perfect vacuum.
Literally 'vacuum state', can be used metaphorically for a lack of something, but often sounds technical.
When using 'perfect vacuum' metaphorically, directly translating to 完全真空 may sound overly scientific. Use 空白 or 虚無 for abstract emptiness.
The inside of the container is maintained at an almost perfect vacuum.
You can't make a decision in an information vacuum.