#1
accretion n. [
accumulation] an increase by natural growth or addition
. wn #2
accretion n. something contributing to growth or increase; "he scraped away the accretions of paint"; "the central city surrounded by recent accretions"
. wn #3
accretion n. (astronomy) the formation of a celestial object by the effect of gravity pulling together surrounding objects and gases
. wn #4
accretion n. (biology) growth by addition as by the adhesion of parts or particles
. wn #5
accretion n. (geology) an increase in land resulting from alluvial deposits or waterborne sediment
. wn