名词 accretion:

1. an increase by natural growth or addition

2. something contributing to growth or increase

3. (astronomy) the formation of a celestial object by the effect of gravity pulling together surrounding objects and gases

4. (biology) growth by addition as by the adhesion of parts or particles

5. (geology) an increase in land resulting from alluvial deposits or waterborne sediment

6. (law) an increase in a beneficiary's share in an estate (as when a co-beneficiary dies or fails to meet some condition or rejects the inheritance)

accretionn.生长；增加；连生；积累而成的东西；添加物；【地】冲积层accretion vein[地质]加填矿脉accretion flow吸积流accretion disks吸积盘accretion lines[医] 增积线, 钙化线, 雷济厄斯氏线accretion coast堆积海岸accretion borer生长锥accretion beach堆积海滩accretion ridge古海滩砂脊accretion mound吸积堆accretion stream吸积流