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   accretion

   /əˈkriːʃn/

   noun

   • 1. growth or increase by the gradual accumulation of additional layers or matter: "the accretion of sediments in coastal mangroves" Similar accumulationcollectinggatheringamassingcumulationaccrualgrowthformationenlargementincreasegainaugmentationrisemushroomingsnowballingrare:amassment
   • ▪ a thing formed or added by gradual growth or increase: "the city has a historic core surrounded by recent accretions" Similar additionextensiongrowthappendageadd-onsupplement
   • ▪ the coming together and cohesion of matter under the influence of gravitation to form larger bodies: "during the later stages of accretion the outer 100 km or so of the Moon melted"

   Word Origin early 17th century: from Latin accretio(n-), from accrescere ‘become larger’ (see accrete).

   Scrabble Points: 13

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   • C

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