Highly-skilled emigration

WordNet Word definitions in WordNet
n. depletion or loss of intellectual and technical personnel

Wikipedia Word definitions in Wikipedia
Brain Drain is a 2009 Spanish romantic-comedy film directed by Fernando González Molina and starring Mario Casas and Amaia Salamanca . The film is an A3 Films 's production. The production started on 14 July 2008 in Madrid and Gijón , and its premier was ...

Longman Dictionary of Contemporary English Word definitions in Longman Dictionary of Contemporary English
noun EXAMPLES FROM CORPUS ▪ He could not argue, looking at Imperial, that there has been a major brain drain of senior staff.

Wiktionary Word definitions in Wiktionary
n. The migration of educated or talented people from less economically advanced areas to more economically advanced areas, especially to large cities or richer countries.