This is the 3726th most frequent Chinese word.
诊
"Diagnosis" or "to diagnose."
Here, '诊' is used as part of the word '诊断,' which means 'diagnose.' It indicates the process of determining the nature or cause of an illness.
医生正在诊断病人的病情。
The doctor is diagnosing the patient's condition.
In this sentence, '诊' appears as part of the word '诊所,' meaning 'clinic.' It implies a place where medical diagnoses and treatments occur.
他去诊所看病了。
He went to the clinic to see a doctor.
Here, '诊' is combined with '治,' forming '诊治,' which refers to the combined actions of diagnosing and treating a condition.