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accretion

play
noun ac·cre·tion \ə-ˈkrē-shən\

Simple Definition of accretion

  • : a gradual process in which layers of a material are formed as small amounts are added over time

  • : something that has grown or accumulated slowly : a product or result of gradual growth

Full Definition of accretion

  1. 1 :  the process of growth or enlargement by a gradual buildup: as a :  increase by external addition or accumulation (as by adhesion of external parts or particles) b :  the increase of land by the action of natural forces

  2. 2 :  a product of accretion; especially :  an extraneous addition <accretions of grime>

ac·cre·tion·aryplay \-shə-ˌner-ē, -ˌne-rē\ adjective
ac·cre·tiveplay \ə-ˈkrē-tiv\ adjective

Examples of accretion

  1. rocks formed by the slow accretion of limestone

  2. There was an accretion of ice on the car's windshield.



Origin of accretion

Latin accretion-, accretio, from accrescere — more at accrue


First Known Use: 1615


Medical Dictionary

accretion

play
noun ac·cre·tion \ə-ˈkrē-shən\

Medical Definition of accretion

  1. :  the process of growth or enlargement; especially :  increase by external addition or accumulation (as by adhesion of external parts or particles)—compare apposition 1, intussusception 2

  2. ac·cre·tion·ary \-shə-ˌner-ē\play adjective





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