noun: (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)
noun: an increase by natural growth or addition
noun: (geology) an increase in land resulting from alluvial deposits or water-borne sediment
noun: (biology) growth by addition as by the adhesion of parts or particles
noun: (astronomy) the formation of a celestial object by the effect of gravity pulling together surrounding objects and gases
noun: something contributing to growth or increase
Example: "He scraped away the accretions of paint"
