濃度

1. Origins, structure, and basic meaning

• Structure: 濃度 is a noun read のうど, meaning the concentration of a particular component in a mixture or solution.
• Basic usage: Use 糖分の濃度を測る for measuring a component's concentration and ちょうどよい濃度に調整する for adjusting it to a desired level.
  • 飲み物に含まれる糖分の濃度を測った。 describes measuring the sugar concentration in a drink; 絵の具に水を加え、ちょうどよい濃度に調整した。 describes adding water to paint and adjusting it to the right concentration.

2. Common pitfalls and similar expressions

• 糖分の濃度
  • の identifies sugar as the component whose concentration is measured.
• 濃度を測る
  • を marks the concentration as the property being measured.
• 濃度に調整する
  • に marks the target concentration reached through adjustment.