1. [ noun ] an increase by natural growth or addition
Synonyms: accumulation
Related terms: increase deposition backup buildup accrete
2. [ noun ] (biology) growth by addition as by the adhesion of parts or particles
Related terms: increase biology
3. [ noun ] (geology) an increase in land resulting from alluvial deposits or water-borne sediment
Related terms: increase geology
4. [ noun ] (astronomy) the formation of a celestial object by the effect of gravity pulling together surrounding objects and gases
Related terms: increase astronomy
5. [ noun ] something contributing to growth or increase

"he scraped away the accretions of paint" "the central city surrounded by recent accretions"

Related terms: addition
6. [ 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)
Related terms: inheritance inheritance law
Similar spelling:   accretionary