accretion
英 [ə'kriːʃ(ə)n]
美[ə'kriʃən]
	    - n. 添加;增加物;连生;冲积层
 
英英释意
- 1. an increase by natural growth or addition
 
- 2. something contributing to growth or increase;
 - "he scraped away the accretions of paint"
 - "the central city surrounded by recent accretions"
 
- 3. (astronomy) the formation of a celestial object by the effect of gravity pulling together surrounding objects and gases
 
- 4. (biology) growth by addition as by the adhesion of parts or particles
 
- 5. (geology) an increase in land resulting from alluvial deposits or water-borne sediment
 
- 6. (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)