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lower bound

American

[loh-er] / ˈloʊ ər /

noun

Mathematics.

an element less than or equal to all the elements in a given set.

The numbers 0 and 1 are lower bounds of the set consisting of 1, 2, and 3.

lower bound Scientific

A number that is less than or equal to every number in a given set.

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.

See Examples For:

lower bound

Same-store sales growth is expected in a range from 0.75% decline to 2.5% increase, with the lower bound lifted from a 1.25% decline.

From The Wall Street Journal ● Jun. 2, 2026

He predicts that would be at a lower bound range of 2 ½%.

From Barron's ● Oct. 27, 2025

Even so, the system only gives the county a concrete lower bound.

From Scientific American ● Sep. 6, 2023

"In the near future, a new committee on FX market regulation may adjust these restrictions, but until then, the USD/RUB consolidation may stick to the lower bound of the 63.0-70.0 range."

From Reuters ● May 16, 2022

“If the numbers are small, the lower bound may not be above the 30 percent threshold that was used for the adult trials,” Dr. Dean said.

From New York Times ● Feb. 9, 2022

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023