1. to weaken or reduce in force, intensity, effect, quantity, or value: to attenuate desire.
2. to make thin; make slender or fine.
3. Bacteriology, Immunology. to render less virulent, as a strain of pathogenic virus or bacterium.
4. Electronics. to decrease the amplitude of (an electronic signal).
5. to become thin or fine; lessen.
6. weakened; diminishing.
7. botany. tapering gradually to a narrow extremity.
to become weaker in something
Firstly an attenuation is the reduction in the peak of a hydro-graph as it movesdownstream, resulting in a more broad, flat hydro-graph.Therefore the attenuated peak is the highest point before it attenuates.
Yes it does change because its mass does not change but its volume does. When it is compressed the density will increase because its volume does. When it is attenuated will decrease because the volume does. Density is mass over volume. Remember: it only works because its mass stays the same and the volume changes.
Depends on what kind of modulation you're using. If frequencies, then it would be in wavelength or hertz; if amplitude, it would be in power or wattage.
It is the range of wavelength at which the energy flowing through the system begins to reduce or attenuated. In case of devices, it is the wavelength at which interruption or cessation in power takes place.
Not completely. The gamma and neutron radiation are the hardest to stop, and they can really only be attenuated. It typically takes a few feet of most metals to attenuate gamma to safe exposure levels and denser metals are always better (titanium is not all that dense). Neutron radiation is not effectively attenuated except by strong neutron absorbers like boron and cadmium. Reactor shielding is typically composed of alternating layers of a couple inches of lead plate and a foot or so of borated concrete, until sufficient attenuation has been obtained for both gamma and neutrons.
Angular or attenuated.
None. Light and sound waves can be attenuated, but not matter.
organisms that are alive
attenuated virus consist of same virus but its capacity to cause disease has deleted by the process of attenuation.
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They are called attenuated vaccines. Attenuated means weakened, they do this usually with chemicals and then the attenuated viruses are not able to make you sick, but they are strong enough to trigger the immune response to provide immunity.An attenuated virus. Attenuated simply means weakened. For example, you will see references to this in regard to the flu vaccines. This is also abbreviated when talking about the flu vaccines as LAIV, Live Attenuated Influenza Vaccine.That is a good description of what a vaccine is, although some other substances also could be described similarly. The weakened or killed virus in a vaccine is non-threatening to most people. It can be a problem for infants under six months old, some children and adults with under-developed immune systems or who have immune system disorders.
An attenuated pathogen is a type of pathogen which has been weakened so that it is no longer capable of causing the disease
Attenuated vaccines are created by destabilizing the virulence of the strain while still keeping the organism alive. Attenuated vaccines were first developed by Albert Calmette and Camille Guerin in their efforts to use an immunization as a cure for Tuberculosis in 1906.
B.C.G Vaccine
Vaccine
They are called live attenuated vaccines. Attenuated means weakened. The nasal mist flu vaccine is an example of a live attenuated vaccine. The vaccines for flu that are injected are made from pieces of viruses or "dead" viruses. See the related question below for more information on these two types of vaccines.
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