Integration
From ACT Wiki
1. Business combinations
A reduction in the total number of participants in market, following a merger or acquisition.
This type of integration may be 'vertical' or 'horizontal'.
2. Financial maths
In maths and financial maths, integration is the reverse process of differentiation.
3. Money laundering
The conversion of laundered money into assets which have the appearance of having been legitimately acquired.
This is a common third stage of money laundering, following 'placement' and 'layering'.