Meaning and Usage
The word "酸" (さん) primarily means "acid" in a chemical context. It refers to substances that have acidic properties, such as citric acid or sulfuric acid. It is commonly used in scientific, culinary, and everyday contexts when discussing sour tastes or chemical substances.
Common Collocations
- 酸を含む (さんをふくむ): to contain acid; used when describing substances that have acidic components.
- 酸っぱい味 (すっぱいあじ): sour taste; often used in food descriptions.
- クエン酸 (くえんさん): citric acid; a common type of acid found in fruits.
Usage Notes
"酸" is a noun and is often combined with other words to specify the type of acid or the context (e.g., 酸性 for acidity). It appears frequently in scientific texts but also in everyday language when describing flavors. Learners should not confuse "酸" with "酢" (す), which means vinegar, although both relate to sourness.
Register and Politeness
The term "酸" is neutral and formal, suitable for scientific and general use. It is not used as a verb or adjective by itself but appears in compound words or phrases.