(astronomy) the formation of a celestial object by the effect of gravity pulling together surrounding objects and gases
(biology) growth by addition as by the adhesion of parts or particles
(geology) an increase in land resulting from alluvial deposits or waterborne sediment
(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)
accretion例句
A peptide hormone, produced by the thyroid gland in human beings, that lowers plasma calcium and phosphate levels without augmenting calcium accretion.