Definition of ethyl in English:
 ethyl
noun ˈɛθʌɪlˈiːθʌɪlˈiːθɪlˈɛθɪlˈɛθəl
Chemistry usually as modifier Of or denoting the hydrocarbon radical —C₂H₅, derived from ethane and present in many organic compounds.
 Example sentencesExamples
-  However, its use is safer for both patient and physician than the original volatile vapor coolant, ethyl chloride.
 -  Industrially ethanol is now mostly frequently manufactured by the catalytic hydration of ethene or by the hydrolysis of ethyl sulfates.
 -  For example, benzene and ethyl bromide can be use to make ethylbenzene.
 -  The authors note, ‘Any of these ethyl esters might be used as an alternative to fossil fuels.’
 -  The free radical of the ethyl group is known to exist as an entity in its own right.
 
Origin
  
Mid 19th century: from German, from Äther 'ether' + -yl.