The act of observing something or someone in order to gain information.

अवलोकन

English Usage: The scientist made a careful observation of the stars.

Hindi Usage: वैज्ञानिक ने तारों का सावधानीपूर्वक अवलोकन किया।

A deep hole from which water or other liquids can be extracted.

कुआँ

English Usage: They dug a well to access fresh water.

Hindi Usage: उन्होंने ताजे पानी तक पहुँचने के लिए एक कुआँ खोदा।

A well designed for monitoring groundwater levels and quality.

अवलोकन कुआँ

English Usage: The geologist examined the observation well to assess contamination levels.

Hindi Usage: भूविज्ञानी ने संदूषण स्तर का मूल्यांकन करने के लिए अवलोकन कुएँ की जांच की।