Japanese Conversation · Level 116
60 words
Japanese word
真空
Pronunciation
Romajishinkū
Meaning
- nounvacuum
Example
ポンプで真空を作ります。po n pu de shin kū o tsuku ri ma su
We create a vacuum with a pump.
More examples
宇宙空間はほぼ真空ですが、完全に空っぽではありません。u chū kū kan wa ho bo shin kū de su ga kan zen ni kara ppo de wa a ri ma se n
Outer space is almost a vacuum, but it is not completely empty.
Core concept
Describes a state in which nearly all air and other matter has been removed from a space.
Common phrases
真空を作るshin kū o tsuku ru
create a vacuum
真空中で作業するshin kū chū de sa gyō su ru
work in a vacuum
真空を保つshin kū o tamo tsu
maintain a vacuum
Definition in Japanese
内部の空気や気体をほぼ取り除いた状態。nai bu no kū ki ya ki tai o ho bo to ri nozo i ta jō tai
Word origin
真空 (shinkū) is a Sino-Japanese compound of 真 (shin, "true") and 空 (kū, "empty"), giving the literal sense of a truly empty space.
Usage tips
- In scientific English, vacuum usually means very low pressure rather than absolute emptiness, so even outer space is not a perfect vacuum.
Opposites
- 大気taikiatmospherenoun
Related words
- 真空化shinkūkavacuumizationnoun
- 真空度shinkūdodegree of vacuumnoun