expansion

[ik-span-shuh n]

noun


Origin of expansion

1605–15; < Late Latin expānsiōn- (stem of expānsiō) a spreading out. See expanse, -ion
Related formsex·pan·sion·al, adjectivean·ti·ex·pan·sion, adjectivenon·ex·pan·sion, nouno·ver·ex·pan·sion, nounpre·ex·pan·sion, nounre·ex·pan·sion, nounself-ex·pan·sion, nounsu·per·ex·pan·sion, noun
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for overexpansion

overexpansion

noun

an excessive increase, enlargement, or development, esp in the activities of a company

expansion

noun

the act of expanding or the state of being expanded
something expanded; an expanded surface or part
the degree, extent, or amount by which something expands
an increase, enlargement, or development, esp in the activities of a company
maths
  1. the form of an expression or function when it is written as the sum or product of its terms
  2. the act or process of determining this expanded form
the part of an engine cycle in which the working fluid does useful work by increasing in volume
the increase in the dimensions of a body or substance when subjected to an increase in temperature, internal pressure, etc
Derived Formsexpansionary, adjective
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for overexpansion

expansion

n.

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).

Online Etymology Dictionary, © 2010 Douglas Harper

overexpansion in Medicine

expansion

[ĭk-spănshən]

n.

An increase in size.
The spreading out of a structure, such as a tendon.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

overexpansion in Science

expansion

[ĭk-spănshən]

An increase in the volume of a substance while its mass remains the same. Expansion is usually due to heating. When substances are heated, the molecular bonds between their particles are weakened, and the particles move faster, causing the substance to expand.
A number or other mathematical expression written in an extended form. For example, a2 + 2ab + b2 is the expansion of (a + b)2.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.