efficiency expert
Americannoun
Etymology
Origin of efficiency expert
An Americanism dating back to 1910–15
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
But in a number of African countries, access to it is still reserved for a certain social class, said Ablaye Seck, an energy efficiency expert in Senegal.
From Barron's ● Jun. 26, 2026
During the talk, which was visible on X to Musk’s 201 million followers, Trump flattered Musk as an efficiency expert, saying: “You’re the greatest cutter.”
From Los Angeles Times ● Oct. 16, 2024
“Cooling is a multi-faceted challenge,” says Sneha Sachar, an energy efficiency expert at the nonprofit organization ClimateWorks.
From Scientific American ● Aug. 29, 2023
There's even an "efficiency expert" out there who advises watching at faster speeds to make the most of your viewing time.
From BBC ● Oct. 29, 2019
Yes, at home or on the job, Dad was always the efficiency expert.
From "Cheaper by the Dozen" by Frank B. Gilbreth Jr. and Ernestine Gilbreth Carey
![]()
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.