"accretions" in the noun sense
1. accretion, accumulation
an increase by natural growth or addition
2. accretion
something contributing to growth or increase
"he scraped away the accretions of paint"
"the central city surrounded by recent accretions"
3. accretion
astronomy) the formation of a celestial object by the effect of gravity pulling together surrounding objects and gases
4. accretion
biology) growth by addition as by the adhesion of parts or particles
5. accretion
geology) an increase in land resulting from alluvial deposits or waterborne sediment
6. accretion
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)
Source: WordNet® (An amazing lexical database of English)
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