Accretion - Definition and Overview
In
astrophysics
,
accretion
is the
gravitational
process by which bodies such as
planets
and
stars
form from gas and dust.
See also:
accretion disc
In
atmospheric science
,
accretion
is the growth of a
precipitation
particle by the collision of an
ice crystal
or
snowflake
with a supercooled
liquid
droplet that freezes upon impact.
External link:
National Science Digital Library - Accretion
(
http://www.nsdl.arm.gov/Library/glossary.shtml#accretion
)
In
finance
,
accretion
is the change in the price of a
bond
bought at a discount between the original price and the par value of the bond.
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