单词：diagnostic 

形容词

• 
  [1.a.diagnostic] (同义词:[diagnostic( adj. 诊断的 )]  )
• 
  注释列句：concerned with diagnosis; used for furthering diagnosis; "a diagnostic reading test"
• 派生词 -> [diagnosis( n. 诊断 )] 
  属于名词 -> [diagnosis( n. 诊断 )] 
  
• 
  [2.a.diagnostic] (同义词:[diagnostic( adj. 诊断的 )]  [symptomatic( adj. 症状的, 征候的, 征兆的, 有症状的, 表明...的症候 )]  )
• 
  注释列句：characteristic or indicative of a disease; "a diagnostic sign of yellow fever"; "a rash symptomatic of scarlet fever"; "symptomatic of insanity"; "a rise in crime symptomatic of social breakdown"
• 近义词 -> [characteristic( adj. 特有的, 表示特性的, 典型的 n. 特性, 特征 )]