Universal Mentors Association

Word of the Day: efficiency


The word efficiency has appeared in 450 articles on NYTimes.com in the past year, including on May 2 in “An Aggressive Passive Push for a Brooklyn Brownstone” by Stephen Wallis:

The airtight walls are “vapor open,” Mr. Ingui said, “letting moisture out so the house can breathe.” Air is filtered and circulated through an energy recovery ventilator (E.R.V.) system, which keeps it fresh and clean, while also helping to regulate the internal temperature. The enhanced energy efficiency achieved by the Passive House strategies eliminates the need for a boiler or radiators, reduces the amount of ductwork and allows for smaller mechanical systems throughout.

… Mr. Walker confirmed that the family rarely turns on the heat, which like the air conditioning uses an electric-powered system of high-efficiency units known as mini-splits. The air conditioning gets more use, he said, but requires significantly less energy than a conventional central cooling system and doesn’t need to run as long.

Can you correctly use the word efficiency in a sentence?

Based on the definition and example provided, write a sentence using today’s Word of the Day and share it as a comment on this article. It is most important that your sentence makes sense and demonstrates that you understand the word’s definition, but we also encourage you to be creative and have fun.

Then, read some of the other sentences students have submitted and use the “Recommend” button to vote for two original sentences that stand out to you.

If you want a better idea of how efficiency can be used in a sentence, read these usage examples on Vocabulary.com.

Students ages 13 and older in the United States and the United Kingdom, and 16 and older elsewhere, can comment. All comments are moderated by the Learning Network staff.

The Word of the Day is provided by Vocabulary.com. Learn more and see usage examples across a range of subjects in the Vocabulary.com Dictionary. See every Word of the Day in this column.


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