From Longman Dictionary of Contemporary EnglishRelated topics: Organizationspowerhousepow‧er‧house /ˈpaʊəhaʊs $ ˈpaʊr-/ noun [countable] informal1SSOEFFECT/INFLUENCEan organization or place where there is a lot of activity or where a lot of things are produced
Europe’s industrial powerhouse2STRONG TASTE OR SMELLsomeone who is very strong or has a lot of energy
a powerhouse of a manExamples from the Corpuspowerhouse• The Cougars, eighth in the conference last year, have never been a Pac-10 powerhouse.• This small company has become a powerhouse in the softwaremarket.• The Redmond, Wash.-basedpowerhouseyesterdayannounced an agreement to buy Aha!• Whether this is true or not, an extraordinarypowerhouse of commercial and creative activity is now propelling multimediaforward.• But they face opposition from a lobbyingpowerhouse of creditcard companies, banks, auto companies and retailchains.• So whatever level of runner you are you can't do better than get into the Mizuno powerhouse.• There are some powerhouses, of course.• Atlanta was the powerhouseteam of the '90s.• Vocalpowerhouse Dorothy Reid will perform at Thursday's gospelconcert.From Longman Business Dictionarypowerhousepow‧er‧house /ˈpaʊəhaʊsˈpaʊr-/ noun [countable]an organization that produces a lot of ideas or activity, and has a lot of power or influence in its fieldHe wanted to turn the securities firm into a Wall Street powerhouse.