- plural of phenomenon.
phenomena
Americannoun
noun
Usage
As with other plurals of Latin or Greek origin, like media and criteria, there is a tendency to use the plural phenomena as a singular ( This phenomena will not be seen again ), but such use occurs infrequently in edited writing. The plural form phenomenas, though occasionally seen, has even less currency.
Etymology
Origin of phenomena
First recorded in 1580–90 with spelling phænomena
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.
"These first materials that we have studied are like a baby step, or a prototype problem, along the way to more complex phenomena such as high-temperature superconductors and quantum magnets."
From Science Daily ● Oct. 10, 2026
Dillon Amaya, an oceanographer at North Carolina State University, said the elevated sea levels could collide with other natural phenomena to create problems for coastal communities.
From Barron's ● Oct. 2, 2026
They combined images and seemingly AI-generated speech about urban legends, occult phenomena and conspiracy theories.
From Barron's ● Sep. 27, 2026
Together with the upgraded High-Luminosity Large Hadron Collider, these improvements are expected to provide vastly larger data sets and give physicists new opportunities to investigate quantum phenomena at extreme energies.
From Science Daily ● Sep. 20, 2026
There were plenty who believed that the phenomena produced by the best mediums, Kate and Maggie Fox for example, were absolutely authentic.
From "American Spirits" by Barb Rosenstock
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Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
