- Look up
decay in Wiktionary, the free dictionary.
Decay may
refer to: Bit
decay, in
computing Decay time (fall time), in
electronics Distance decay, in geography...
-
Radioactive decay (also
known as
nuclear decay, radioactivity,
radioactive disintegration, or
nuclear disintegration) is the
process by
which an unstable...
- A
quantity is
subject to
exponential decay if it
decreases at a rate
proportional to its
current value. Symbolically, this
process can be
expressed by...
- In
nuclear physics, beta
decay (β-
decay) is a type of
radioactive decay in
which an
atomic nucleus emits a beta
particle (fast
energetic electron or positron)...
-
Tooth decay, also
known as
cavities or caries, is the
breakdown of
teeth due to
acids produced by bacteria. The
cavities may be a
number of different...
-
decay or α-
decay is a type of
radioactive decay in
which an
atomic nucleus emits an
alpha particle (helium nucleus) and
thereby transforms or "
decays"...
- In
particle physics,
proton decay is a
hypothetical form of
particle decay in
which the
proton decays into
lighter subatomic particles, such as a neutral...
-
Urban decay (also
known as
urban rot,
urban death or
urban blight) is the
sociological process by
which a
previously functioning city, or part of a city...
-
decay.
Radioactive decay often proceeds via a
sequence of
steps (
decay chain). For example, 238U
decays to 234Th
which decays to 234mPa
which decays,...
-
penetrating form of
electromagnetic radiation arising from the
radioactive decay of
atomic nuclei. It
consists of the
shortest wavelength electromagnetic...
