First Known Use: 1615
Dictionary
accretion
noun ac·cre·tion \ə-ˈkrē-shən\
: 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
: 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
: a product of accretion; especially : an extraneous addition <accretions of grime>
— ac·cre·tion·ary \-shə-ˌner-ē, -ˌne-rē\ adjective
— ac·cre·tive \ə-ˈkrē-tiv\ adjective
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Origin of ACCRETION
Latin accretion-, accretio, from accrescere — more at accrue
Related to ACCRETION
- Synonyms
- accumulation, assemblage, collection, cumulation, cumulus, gathering, lodgment (or lodgement), pileup
Rhymes with ACCRETION
Medical Dictionary
accretion
noun ac·cre·tion \ə-ˈkrē-shən\
Medical Definition of ACCRETION
: 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
—ac·cre·tion·ary \-shə-ˌner-ē\ adjective
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