controlled experiment
Americannoun
Etymology
Origin of controlled experiment
First recorded in 1885–90
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.
Because researchers already know the rocket's exact size, speed and point of impact, this collision turns from being a random accident into a rare, controlled experiment.
From BBC ● Aug. 5, 2026
To measure its value, the state ran a controlled experiment and determined whether roads were striped or left unmarked by flipping a coin.
From The Wall Street Journal ● Jul. 4, 2026
To investigate this idea, the scientists designed a controlled experiment using different caffeine levels.
From Science Daily ● Apr. 18, 2026
To isolate the issue, Duffy and Li designed a controlled experiment with people ages 45 to 55.
From MarketWatch ● Apr. 16, 2026
It seems like a perfectly controlled experiment in the evolution of human societies.
From "Guns, Germs, and Steel: The Fates of Human Societies" by Jared M. Diamond
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.
