- the development at length of an expression indicated in a contracted form, as a2 + 2ab + b2 for the expression (a + b)2.
- any mathematical series that converges to a function for specified values in the domain of the function, as 1 + x + x2 + … for 1/(1 − x) when x< 1.
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Origin of expansion
OTHER WORDS FROM expansion
Words nearby expansion
Example sentences from the Web for expansion
Still, the expansion in testing alone can’t fully explain the current case uptick, at least not in every country.
China is a great nation, and we should hope for the continued expansion.Trump’s most popular YouTube ad is a stew of manipulated video|Glenn Kessler, Meg Kelly|September 17, 2020|Washington Post
Many factors are driving the violent expansion of this years' wildfires.West Coast wildfire smoke is visible from outer space|María Paula Rubiano A.|September 16, 2020|Popular Science
A few days later, Pfizer announced plans to expand the number of participants enrolled in its clinical trials by the thousands but gave little details on the expansion.AstraZeneca resumed its COVID-19 vaccine trials after uncovering a mysterious reaction|Claire Maldarelli|September 15, 2020|Popular Science
In April, there was an hourlong “Election Administration Forum Conference Call” that covered, in part, the expansion of mail-in voting and “ways to message these concerns to your constituents,” according to the invitation.No Democrats Allowed: A Conservative Lawyer Holds Secret Voter Fraud Meetings With State Election Officials|by Mike Spies, Jake Pearson and Jessica Huseman|September 15, 2020|ProPublica
He recently put up $50 million for half the cost of the Kennedy Center expansion, where he is chairman of the board.
He also has backed Medicaid expansion and a state-run exchange under Obamacare.
The era of expansion is over, to be replaced by an emphasis on ensuring the security of the existing members.
Concerns about the proliferation of these labs date back to shortly after the expansion began in the early 2000s.
The Royal Navy, Zambellas said, “is seeing signs of expansion—which is a really weird place to be.”
Commerce, however, fixed Kinshassa as its base of operation, and its expansion has been astonishing for that part of the world.An African Adventure|Isaac F. Marcosson
And—just as a guide for moments of expansion—might it be ‘Tony’?What a Man Wills|Mrs. George de Horne Vaizey
Private enterprise must be given the greatest possible freedom to continue the expansion of economy.State of the Union Addresses of Harry S. Truman|Harry S. Truman
The contour of the face expresses the most powerful command, and exalted, boundless, expansion of thought.
A little distance above the island what appeared to be two rivers flowed into the expansion.The Long Labrador Trail|Dillon Wallace
British Dictionary definitions for expansion
- the form of an expression or function when it is written as the sum or product of its terms
- the act or process of determining this expanded form