From en.wikipedia.org:
[accretion]
ACCRETION may refer to:
** Science
- Accretion (astrophysics) , the formation of planets and other bodies by collection of material through gravity
- Accretion (meteorology) , the process by which water vapor in clouds forms water droplets around nucleation sites
- Accretion (coastal management) , the process where coastal sediments return to the visible portion of the beach following storm erosion
- Accretion (geology) , the increase in size of a tectonic plate by addition of material along a convergent boundary
*Accretionary wedge
** Other uses
- Accretion (finance) , predictable changes in the price of certain securities
[disambig]