noun Etymology: Latin accretion-, accretio, from accrescere — more at accrue Date: 1615 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
accretionary adjectiveaccretive adjective

New Collegiate Dictionary. 2001.

(by accession of parts), , / , / (of soil, as at the mouth of a river)

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  • Accretion — Accrétion L’accrétion désigne en astrophysique, en géologie, en médecine et en météorologie la constitution et l accroissement d un corps, d une structure ou d un objet par apport et/ou agglomération de matière, généralement en surface ou en… …   Wikipédia en Français

  • accrétion — [ akresjɔ̃ ] n. f. • 1751; lat. accretio ♦ Sc. Processus d agglomération d éléments inorganiques, solides ou fluides. Accrétion de nuages, de dunes, de planètes. ● accrétion nom féminin (latin médiéval accretio, action d augmenter) Capture de… …   Encyclopédie Universelle

  • accretion — ac·cre·tion /ə krē shən/ n 1: the process or a result of growth or enlargement: as a: the increase or extension of the boundaries of land or the consequent acquisition of land accruing to the owner by the gradual or imperceptible action of… …   Law dictionary

  • Accretion — may refer to:*Accretion (finance), predictable changes in the price of certain securitiesAccretion in scienceIn science, accretion is a process in which the size of something gradually increases by steady addition of smaller parts. This term is… …   Wikipedia

  • accretion — ac*cre tion ([a^]k*kr[=e] sh[u^]n), n. [L. accretio, fr. accrescere to increase. Cf. {Crescent}, {Increase}, {Accrue}.] [1913 Webster] 1. The act of increasing by natural growth; esp. the increase of organic bodies by the internal accession of… …   The Collaborative International Dictionary of English

  • accretion — [ə krē′shən] n. [L accretio < accrescere, to increase < ad , to + crescere, to grow: see CRESCENT] 1. growth in size, esp. by addition or accumulation 2. a growing together of parts normally separate 3. accumulated matter [the accretion of… …   English World dictionary

  • Accretion —   [æ kriːʃn, englisch »Zuwachs«], Astronomie: die Akkretion …   Universal-Lexikon

  • accretion — (n.) 1610s, from L. accretionem (nom. accretio) an increasing, a growing larger (e.g. of the waxing moon), noun of action from pp. stem of accrescere, from ad to (see AD (Cf. ad )) + crescere grow (see CRESCENT (Cf. crescent)) …   Etymology dictionary

  • accretion — *addition, increment, accession Analogous words: adjunct, *appendage: adhesion, cohesion (see corresponding verbs at STICK): increase, augmentation, enlargement (see corresponding verbs at INCREASE) Contrasted words: diminution, dwindling,… …   New Dictionary of Synonyms

  • accretion — [n] gradual growth, addition accession, accumulation, augmentation, build up, increase, increment, raise, rise; concept 780 Ant. decrease, deduction, shrinkage …   New thesaurus

  • accretion — ► NOUN 1) growth or increase by gradual accumulation. 2) a thing formed or added in this way …   English terms dictionary

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