efficient efficient  /ɪ ˈfɪ ʃənt/


  1. (adj) being effective without wasting time or effort or expense
  2. (adj) able to accomplish a purpose; functioning effectively


  1. Refusing to put a mileage requirement on clunkers means that even relatively efficient cars could be traded in, provided they're at least a decade old.
  2. To them, a green-collar job can be anything that helps put America on the path to a cleaner, more energy efficient future.
  3. Fortunately, forest carbon storage is most efficient in the tropics and subtropics.


  1. Deltamarin Poland Chooses ZWCAD+ for More Efficient Vessel Designs

    ZWSOFT, a leading supplier of CAD/CAM solutions for the AEC and MCAD industries, announced that Deltamarin Poland, one of the world-renowned shipbuilding company, has selected ZWCAD+ to create more efficient and innovative vessel designs for ship owners and yards.
    on June 18, 2013     Source: Business Wire via Yahoo! Finance

  2. Ultra-Efficient Hemoglobin Key To Evolutionary Success Of Fish

    Brett Smith for redOrbit.com - Your Universe Online The primordial oceans in Earth’s early days were a much more inhospitable than they are today, and new research published in the journal Science suggests that fish developed a highly efficient hemoglobin-based system to deliver large amount of oxygen to their tissues. “Four hundred million years ago the oceans were not what they are today. They ...
    on June 18, 2013     Source: redOrbit

  3. Efficient and inexpensive: Researchers develop catalyst material for fuel cells

    Efficient, robust and economic catalyst materials hold the key to achieving a breakthrough in fuel cell technology. Scientists have developed a material for converting hydrogen and oxygen to water using a tenth of the typical amount of platinum that was previously required. With the aid of state-of-the-art electron microscopy, the researchers discovered that the function of the nanometre-scale ...
    on June 18, 2013     Source: Science Daily


  1. "Now, more American consumers will have the chance to purchase newer, more fuel efficient cars and the American economy will continue to get a much-needed boost," President Obama said in a statement.
    on Aug 6, 2009 By: Barack Obama Source: CNN

  2. "The Federal Reserve will continue to watch the situation closely and will act as needed to support efficient market functioning and to foster sustainable economic growth and price stability," Bernanke said in a speech to the Economic Club of...
    on Oct 15, 2007 By: Ben Bernanke Source: Bloomberg

  3. "Those Chrysler operations assumed by the new company that were idled during this process will soon be back up and running, and work is already underway on developing new environmentally friendly, fuel-efficient, high-quality vehicles that we intend...
    on Jun 10, 2009 By: Sergio Marchionne Source: BBC News

Word of the Day
infatuated infatuated
/ɪn ˈfæ tʃu ˌeɪ tɪd /