[ uh-kree-shuh n ]
/ əˈkri ʃən /
an increase by natural growth or by gradual external addition; growth in size or extent.
the result of this process.
an added part; addition: The last part of the legend is a later accretion.
the growing together of separate parts into a single whole.
Law. increase of property by gradual natural additions, as of land by alluvion.
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Origin of accretion
OTHER WORDS FROM accretionac·cre·tive, ac·cre·tion·ar·y, adjectivenon·ac·cre·tion, nounnon·ac·cre·tive, adjective
Words nearby accretion
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020
British Dictionary definitions for non-accretive
/ (əˈkriːʃən) /
any gradual increase in size, as through growth or external addition
something added, esp extraneously, to cause growth or an increase in size
the growing together of normally separate plant or animal parts
- abnormal union or growing together of parts; adhesion
- a mass of foreign matter collected in a cavity
law an increase in the share of a beneficiary in an estate, as when a co-beneficiary fails to take his share
astronomy the process in which matter under the influence of gravity is attracted to and increases the mass of a celestial body. The matter usually forms an accretion disc around the accreting object
geology the process in which a continent is enlarged by the tectonic movement and deformation of the earth's crust
Derived forms of accretionaccretive or accretionary, adjective
Word Origin for accretion
C17: from Latin accretiō increase, from accrēscere. See accrue
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
Medical definitions for non-accretive
[ ə-krē′shən ]
Growth or increase in size by gradual external addition, fusion, or inclusion.
Increase by addition to the periphery of material of the same nature as that already present, as in the growth of crystals.accrementition
Foreign material, such as plaque or calculus, collecting on the surface of a tooth or in a cavity.
The growing together or adherence of body parts that are normally separate.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
Scientific definitions for non-accretive
[ ə-krē′shən ]
Geology The gradual extension of land by natural forces, as in the addition of sand to a beach by ocean currents, or the extension of a floodplain through the deposition of sediments by repeated flooding.
Astronomy The accumulation of additional mass in a celestial object by the drawing together of interstellar gas and surrounding objects by gravity.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.