break-even
Americanadjective
noun
-
Energy. the stage at which a fission or fusion reaction becomes self-sustaining.
verb
noun
Etymology
Origin of break-even
An Americanism dating back to 1935–40
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.
He believes recent data showing weak job growth and a lower break-even employment rate will have a longer-term negative impact on demand for new homes.
From MarketWatch • Apr. 8, 2026
The break-even rate aims to gauge the level of inflation at which owning bonds or Treasury inflation-protected securities produces the same return.
From MarketWatch • Mar. 12, 2026
Margins were negative in 2025 and are expected to be slightly below break-even this year, London said.
From Barron's • Mar. 10, 2026
Consequently, Iran’s production costs are low, at $10 to $30 a barrel, compared with U.S. shale break-even prices of $60 to $70 per barrel.
From The Wall Street Journal • Mar. 10, 2026
“Perhaps there’s a break-even point for all propellants.”
From "October Sky" by Homer Hickam
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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.