acidity
/əˈsɪdɪtɪ/noun
mass noun
1
- the level of acid in substances such as water, soil, or wine（水、土壤或酒的）酸度。
1.1
- such a level in the gastric juices, typically when excessive and causing discomfort胃酸浓度（尤指过多造成不适）。
2
- bitterness or sharpness in a person's remarks or tone（人的话语或口吻）尖刻, 尖酸：
the cutting acidity in his voice.
他语气中带的尖酸。