concentrate, highly concentrated economy. hit the books, on the books, cyberwarfare, concentrator,

America’s highly concentrated economy means regulators are faced with a difficult choice

Thomas Philippon’s “The Great Reversal” spies in tech giants a risk to economic dynamism

ECONOMIST.COM

Would it be wise for America to carve up its tech champions?

First Cohort of Architecture Concentrators Prepares to Graduate

Many students in the newly created track praised the flexibility of the track and its integration with the Graduate School of Design.

 Obama to Keep Security Agency and Cyberwarfare Under a Single Commander

By DAVID E. SANGER and THOM SHANKER
The president made his choice despite concerns that it concentrates too much power in the hands of a single military official.

College is not only where you hit the books. It also should be where you learn not to judge a book by its cover.

The curator was amazed when a watercolor, seized by the Nazis from the museum where he works, reappeared, part of a vast trove uncovered in a Munich apartment. But because of a 1938 Nazi law still on the books, he may not be able to reclaim the piece.

hit the books Informal.

1. To study, especially with concentrated effort.
2.  
3.  

   on the books

   contained in a book of laws or records:discriminatory laws still on the books the longest pitching career on the books
   
   
   
   If the top 'n' firms gain a high market share the industry is said to have become more highly concentrated. ... 
   

   concentrate

   Pronunciation: /ˈkɒns(ə)ntreɪt/

   Translate concentrate | into French | into German | into Italian | into Spanish
   
   

   verb

   • 1 [no object] focus all one’s attention on a particular object or activity:she couldn’t concentrate on the film [with object]:a threatened tax rise concentrates the mind wonderfully
   • (concentrate on/upon) do or deal with (one particular thing) above all others:Luke wants to concentrate on his film career

   • 2 [with object] gather (people or things) together in a common location:the nation’s wealth was concentrated in the hands of the governing elite
   • [no object] come together in a common location:troops were concentrating at the western front

   • 3 [with object] increase the strength or proportion of (a substance or solution) by removing or reducing the other diluting agent or by selective accumulation of atoms or molecules: plants and micro-organisms can concentrate metals from the environment

   noun

   [mass noun]

   • a substance made by removing or reducing the diluting agent; a concentrated form of something:apple juice concentrate

   
   
   

   Derivatives

   
   
   

   
   

   concentrative

   adjective

   
   
   

   
   

   concentrator

   noun
   

   • Mike, Mickey, and other medical equipment people have a 42-foot trailer full of beds, wheelchairs, oxygen concentrators, et cetera.
   • Ann's husband Eric Martin, who presented the cheque to hospice fund-raiser Gillian Richardson, was told that the money will be used to buy much-needed oxygen concentrators.
   • IOC's concentrator in Labrador City has an annual production capacity of 17.5 million tonnes and its pellet plant is capable of producing over 11 million tonnes, according to company information.

   
   

   
   

   濃縮装置; 集配信装置; 集光器; 集信装置; 濃縮器; 集線装置; コンセントレーター; 選鉱機; 選鉱工場; 選鉱所; 集信機; コンセントレータ; シックナ

   
   

   
   

   an oxygen concentrator

   酸素濃縮器 - Weblio英語基本例文集

   CONCENTRATOR

   コンセントレータ - 特許庁

   METHANE CONCENTRATOR

   メタン濃縮装置 - 特許庁

   Origin:

   mid 17th century (in the sense 'bring towards a centre'): Latinized form of concentre, or from French concentrer 'to concentrate'. sense 1 of the verb dates from the early 20th century