Japanese Conversation · Level 20
90 words
Japanese word
イオン
Pronunciation
Romajiion
Meaning
- nounion
Example
水の中にはさまざまなイオンがあります。mizu no naka ni wa sa ma za ma na i o n ga a ri ma su
There are various ions in water.
More examples
電池の中ではイオンが移動します。den chi no naka de wa i o n ga i dō shi ma su
Ions move inside a battery.
Core concept
Refers to an atom or group of atoms that carries an electric charge after gaining or losing electrons.
Common phrases
イオンの移動i o n no i dō
ion movement
イオン結合i o n ketsu gō
ionic bond
イオンを含むi o n o fuku mu
contain ions
Definition in Japanese
電気を帯びた原子または原子の集まり。den ki o o bi ta gen shi ma ta wa gen shi no atsu ma ri
Word origin
The Japanese word イオン (ion) is borrowed from English ion, from Greek ion, meaning "going", because an ion moves toward an electrode.
Usage tips
- Ion exchange is used in water softeners, where calcium ions in water are exchanged for sodium ions held in a resin.
Related words
- イオン化ionkaionizationnoun
- イオン性ionseiionicitynoun