1. (

• accretion ,
• accumulation

) an increase by natural growth or addition ;

2. (

• collection ,
• aggregation ,
• accumulation ,
• assemblage ,

) several things grouped together or considered as a whole ;

3. (

• accumulation ,
• accrual ,
• accruement

) the act of accumulating ;

4. (

• accumulation

) (finance) profits that are not paid out as dividends but are added to the capital base of the corporation ;