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.
天氣預報提到在預測降雨確切時間上存在不精確性。