25 Mei 2010

Vocab : Science - Computers

Target Words :
circulate            implement
corrode            innovative
derive               installation
detection           maintenance
expeditiously     simulation

Definitions and Samples :
1. circulate v. To move throughout an area or group; to move along a somewhat circular route; Usage tips Circulate is often followed by through.
"The gossip circulated quickly through the small town".
"Blood circulates more quickly during physical exercise".

2. corrode v. To be slowly weakened by chemical reactions; Usage tips A familiar kind of corrosion produces rust, the reddish coating on iron or steel that has been exposed to air and water.
"Sitting in salt water, the old coins corroded and became very easy to break".

3. derive v. To come from, usually through a long, slow process; Usage tips Derive is often followed by from.
"The Cyrillic alphabet was derived from the Greek alphabet".

4. detection n. Discovering something that cannot easily be found; Usage tips Detection is often followed by an of phrase.
"With new medical technology, the detection of cancer is much easier nowadays".

5. expeditiously adv. Quickly and efficiently
"Using carrier pigeons, the military commanders exchanged messages expeditiously".

6. implement v. To make use of; to carry out
"Not until after the new software was installed could we implement the new filing system".

7. innovative adj. Ahead of the times; novel
"The innovative use of props and lighting drew many favorable comments".

8. installation n. Setting something into position for use
"Installation of the new software takes only four minutes".

9. maintenance n. The act of keeping something in good condition
"The only problem with living in such a big house is that it requires a lot of maintenance".

10. simulation n. An imitation or representation
"To test car safety, automobile makers study crash simulations".

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