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tracer

 
   
An isotope added to enable the course of an element\'s progress in a reaction to be investigated. The isotope can be radioactive or nonradioactive (See labelling).  

 

 

 
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trace element (essential element, micronutrient)
 
trachea (plural tracheae)
 
   

 

Other Terms : Kel-F | inheritance | joule

 

 

 
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