sphere of influence
Americannoun
noun
Other Word Forms
Noun Inflected Forms
Etymology
Origin of sphere of influence
First recorded in 1880–85
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.
The resulting maps traced gas motion deep within the black hole's sphere of influence.
From Science Daily ● Jul. 18, 2026
"The Port of Rotterdam is a key player in this sustainable transition but their sphere of influence is limited," says Bettina Kampman, from environmental consultancy CE Delft, which works for governments, companies and NGOs.
From BBC ● Jul. 9, 2026
The next major milestone is expected overnight Sunday into Monday, at which point the astronauts will enter the "lunar sphere of influence," where the Moon's gravity will have stronger pull on the spacecraft than Earth's.
From Barron's ● Apr. 5, 2026
And the Southeastern Conference has expanded its sphere of influence to include Austin, Texas, and Norman, Okla.
From The Wall Street Journal ● Nov. 8, 2025
Roman women supported the efforts of their husbands, but their sphere of influence was small.
From "Sterling Biographies®: Cleopatra: Egypt's Last and Greatest Queen" by Susan Blackaby
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.
