酸性

1. Origins, structure, and basic meaning

• Structure: 酸性 is read as さんせい and is a noun and na-adjective for acidity or the state of having acidic properties.
• Basic usage: An acidic liquid appears in 液体は酸性だ, while soil shifting toward acidity appears in 土が酸性に傾く.

2. Common pitfalls and similar expressions

• Property and change
  • It can describe a current acidic state or a gradual change toward acidity.
• Difference from アルカリ性
  • The comparison term names the chemical property opposite to acidity.