Last Updated
：2025/12/07
水素イオン指数
Hiragana
すいそいおんしすう
Noun
Japanese Meaning
水溶液中の水素イオン濃度を対数で表した値。一般にpHと記され、酸性・中性・塩基性の程度を示す指標。 / ある溶液の酸性度・塩基性度を示す尺度。値が小さいほど酸性が強く、大きいほど塩基性が強い。
Easy Japanese Meaning
水にどれだけすいそイオンがあるかをあらわす数で、水のさんせいかどうかをしめす
Sense（1）
(chemistry) pH
（ canonical ）
（ romanization ）
（ hiragana ）
Quizzes for review
See correct answer
水素イオン指数
See correct answer
The pH of this liquid is 7.
See correct answer
この液体の水素イオン指数は7です。
Japanese - English
Word Edit Setting
- Users who have edit permission for words - All Users
- Screen new word creation
- Screen word edits
- Screen word deletion
- Screen changing entry name
- Users authorized to vote on judging - All Users
- Number of votes required for decision - 1
Sentence Edit Setting
- Users who have edit permission for sentences - All Users
- Screen sentence deletion
- Users authorized to vote on judging - Editor
- Number of votes required for decision - 1
Quiz Edit Setting
- Users who have edit permission for quizzes - All Users
- Users authorized to vote on judging - Editor
- Number of votes required for decision - 1
