an increase by natural growth or addition
(biology) growth by addition as by the adhesion of parts or particles
(geology) an increase in land resulting from alluvial deposits or waterborne sediment
something contributing to growth or increase
(astronomy) the formation of a celestial object by the effect of gravity pulling together surrounding objects and gases
(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)
