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inflationary universe

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inflationary universe

–noun Astronomy.
a version of the big bang theory in which the universe underwent very rapid growth during the first fraction of a second before it settled down to its current rate of expansion.
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inflationary universe  
n.  A model of the universe in which the early universe undergoes a period of exponentially rapid expansion, required to develop the high degree of homogeneity shown by the present-day universe.
The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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Cultural Dictionary

inflationary universe

A period early in the big bang during which the universal expansion proceeded at a much more rapid rate that it did before or since. Cosmologists believe that most of the matter in the universe was created during the period of inflation.

The American Heritage® New Dictionary of Cultural Literacy, Third Edition
Copyright © 2005 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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