23 Mei 2010

Vocab : Science - Time Efficiency

Target Words :
adjust               maximize
arbitrary           parallel
denominator     proportion
exponentially    rate
infinitesimal      sequence

Definitions and Samples :
1. adjust v. To change; to get accustomed to something
"Travelers are advised to adjust their watches before arriving in the new time zone".

2. arbitrary adj. Chosen simply by whim or chance, not for any specific reason
"The decision to build a school in Blackberry Township was arbitrary, without any thought to future housing patterns".

3. denominator n. The number written below the line in a fraction; Usage tips The phrase lowest common denominator means “the most basic and unsophisticated things that most people share.”
"In the fraction 1⁄2, the number 2 is the denominator".

4. exponentially adv. At a very fast rate; Usage tips Exponentially is taken from mathematics, where an exponent is a number indicating how many times something is multiplied by itself. For example, 43 contains the exponent “3,” indicating 4 × 4 × 4.
"In Turkey, the value of the lira has decreased exponentially in the last several decades".

5. infinitesimal adj. Immeasurably small
"The number of contaminants in the water was infinitesimal, so the water was safe to drink".

6. maximize v. To increase or make as great as possible
"A coach helps each athlete maximize his or her potential".

7. parallel adj. Being an equal distance apart everywhere; Usage tips Parallel is often followed by to.
"The street where I live runs parallel to the main road through town".

8. proportion n. A part in relation to the whole; Usage tips Proportion is often followed by of.
"The average employee spends a large proportion of each workday answering e-mails".

9. rate n. The cost per unit of a good or service; the motion or change that happens in a certain time.
"Postal rates in Japan are among the highest in the world".
"Some grasses grow at the rate of one inch per day".

10. sequence v. To organize or arrange in succession
"Volunteers have been asked to sequence the files and organize the boxes".

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