- 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.
Origin of expansion
Related Words for expansiondevelopment, extension, increase, enlargement, inflation, spread, diffusion, distance, evolution, amplification, breadth, stretch, swelling, space, expanse, magnification, augmentation, multiplication, dilation, maturation
Examples from the Web for expansion
Contemporary Examples of expansion
He recently put up $50 million for half the cost of the Kennedy Center expansion, where he is chairman of the board.Patriotic Philanthropy: Not an Oxymoron
November 27, 2014
He also has backed Medicaid expansion and a state-run exchange under Obamacare.The Secret GOP Swing State Election Romp
October 28, 2014
The era of expansion is over, to be replaced by an emphasis on ensuring the security of the existing members.Did Vladimir Putin Just Save NATO?
September 4, 2014
Concerns about the proliferation of these labs date back to shortly after the expansion began in the early 2000s.Growing Number of Biosafety Labs Raises Red Flags
Center for Public Integrity
August 20, 2014
The Royal Navy, Zambellas said, “is seeing signs of expansion—which is a really weird place to be.”Britain's High-Tech New Plan to Rule the Waves
August 14, 2014
Historical Examples of expansion
The best hope for peace in our world is the expansion of freedom in all the world.
In an unwonted mood of expansion he turned to Mali-ya-bwana.The Leopard Woman
Stewart Edward White
Here the first step is absorption and expansion, not precipitation.Life: Its True Genesis
R. W. Wright
I will not run the risk of weakening this reasoning by expansion.Old-Fashioned Ethics and Common-Sense Metaphysics
William Thomas Thornton
Such was the law of expansion; the earth was the heritage of the most numerous race.Fruitfulness
- 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
1610s, "anything spread out;" 1640s, "act of expanding," from French expansion, from Late Latin expansionem (nominative expansio) "a spreading out," noun of action from past participle stem of Latin expandere (see expand).