Definition of administration noun from the Oxford Advanced American Dictionary

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administration

noun
/ədˌmɪnəˈstreɪʃn/
 
 
1 often (the) Administration [countable, singular] the government of a country under a particular leaderthe Obama administrationThe Administration will fight hard for the tax plan.Successive administrations have failed to solve the country's economic problems.2 often the administration [countable, singular] the people who plan, organize, and run a business, an institution, etc.the hospital/university administration3 (also informal admin) [uncountable] the activities that are done in order to plan, organize, and run a business, school, or other institutionAdministration costs are passed on to the customer.the day-to-day administration of a company4 [uncountable] the process or act of organizing the way that something is donethe administration of justice5 [uncountable] (formal) the act of giving a drug to someonethe administration of antibiotics