imprecision
🇺🇸
/ˌɪmprɪˈsɪʒn/
🇬🇧
/ˌɪmprɪˈsɪʒn/
When something is not exact or not clearly defined.
The weather forecast mentioned an imprecision in predicting the exact time of rainfall.
天气预报提到在预测降雨确切时间上存在不精确性。