JLPT · Level 37
75 words
Japanese word
酸性
Pronunciation
Romajisansei
Meaning
- nounacidity
Example
この水は酸性です。ko no mizu wa san sei de su
This water is acidic.
More examples
この土壌は石灰を加えると、酸性から中性に変わります。ko no do jō wa sek kai o kuwa e ru to san sei ka ra chū sei ni ka wa ri ma su
When lime is added, this soil changes from acidic to neutral.
Core concept
Describes the property of a substance that behaves like an acid.
Common phrases
酸性雨san sei ame
acid rain
酸性の土壌san sei no do jō
acidic soil
酸性を示すsan sei o shime su
show acidity
酸性に傾くsan sei ni katamu ku
become acidic
Similar words
酸度sando: The degree to which a substance has acidic properties, often expressed by a measured value.
Definition in Japanese
物質が酸としての性質をもつこと。bus shitsu ga san to shi te no sei shitsu o mo tsu ko to
Word origin
酸 (san, "acid or sourness") + 性 (sei, "nature or quality") combine to form a Sino-Japanese term meaning the quality of being acidic.
Usage tips
- On the pH scale, a value below 7 indicates acidity, so 酸性 (sansei) often appears with numerical pH data.
Opposites
- アルカリ性arukariseialkalinitynoun
Related words
- 酸性化sanseikaacidificationnoun
- 酸性度sanseidoacidity levelnoun