Regulation of gene expression in bacteria by premature termination of transcription of a biosynthetic operon.

The loss of energy or amplitude of waves as they pass through media. Seismic waves lose energy through absorption, reflection and refraction at interfaces, mode conversion and spherical divergence, or [..]

Reduction of signal strength during transmission

It refers to the reduction of the radar beam power due to the reflection or absorption of energy when it strikes a target. The greatest attenuation occurs when the radar beam goes through very heavy r [..]

Any process in which the flux density (power) of a beam of energy is dissipated.

The term used to refer to the decrease in intensity of an ultrasound beam as it travels through bodily tissue.

Loss of energy of a beam of radiant energy due to absorption, scattering, beam divergence, and other causes as the beam propagates through a medium.

early 15c., of persons, "emaciation;" of diet, "reduction," from Latin attenuationem (nominative attenuatio) "a lessening," noun of action from past participle stem of at [..]

The reduction in wort specific gravity caused by the yeast consuming wort sugars and converting them into alcohol and carbon dioxide gas through fermentation.

Attenuation is the decrease in magnitude of a current, voltage or power of a signal in transmission between points because of the transmission medium. Attenuation is usually expressed in decibels.

The process by which the number of particles or photons entering a body of matter is reduced by absorption and scattered radiation.

When you throw a pebble in a pond, it makes waves on the surface that move out from the place where the pebble entered the water. The waves are largest where they are formed and gradually get smaller [..]

A loss in the amplitude or strength of a signal due to an interaction with the signal's media. Generally expressed in decibels.

The decrease in signal strength as a result of absorption and scattering of energy by objects such as buildings, trees, people, etc. Does not include the reduction due to distance.

The decrease in amplitude of a signal between any two points in a circuit. Usually expressed in decibels. Attenuation is the opposite of amplification.

reduction in light intensity due to a filtering medium (e.g., particles in water, a forest canopy).

The decrease in intensity of a signal, beam, or wave as a result of absorption of energy and of scattering out of the path to the detector, but not including the reduction due to geometric spreading. [After JP1] Note 1: Attenuation is usually expressed in dB. Note 2: "Attenuation" is often used as a misnomer for "attenuation coeffici [..]

A reduction in intensity, usually of a waveform, measured in decibels or as a percentage of fraction of loss.

Internet Glossary Reduction of signal strength during transmission. Attenuation is the opposite of amplification, and is normal when a signal is sent from one point to another. If the signal attenuates too much, it becomes unintelligible, which is why most networks require repeaters at regular intervals. Attenuation is measured in decibels.

Type of gene regulation in some bacterial operons, in which transcription is initiated but terminates prematurely before transcription of the structural genes. © 2005 by W. H. Freeman and Comp [..]

Attenuation is the reduction of signal strength, either intentionally or unintentionally. This can be achieved in the electronic domain by using a volume or loudness control. Attenuation can also be a [..]

See SOUND ATTENUATION.

Reduction of signal strength during transmission. Attenuation is the opposite of amplification, and is normal when a signal is sent from one point to another. If the signal attenuates too much, it bec [..]

1. the lessening or weakening in strength, value, or quality of a stimulus or other factor, for example, a medication acting on symptoms. 2. in statistics, a reduction in the estimated effect size bec [..]

The loss of electrical signal from where it began (i.e. - How much signal loss occurs over a length of cable. Another example is the signal loss in cell phones because they are further away from tower [..]

a lessening of the amount, force, or magnitude of something ;specif : a weakening of the connection between an illegal police procedure and the evidence obtained by it such that the evidence is ...

Power loss in an electrical system. In cables, generally expressed in db per unit length, usually 100 ft.

The loss in power of electromagnetic signals between transmission and reception points.

  A mechanism for controlling gene expression in prokaryotes that involves premature termination of transcription.

the drop in specific gravity that occurs as a wort goes through fermentation.

The process of reduction of a compound's concentration over time. This can be through absorption, adsorption, degradation, dilution or transformation.

[noun] The behavior of waves as they radiate out from a source. As distance from the source increases, intensity of the waves decreases. Attenuation occurs because the same amount of energy is being spread out over a larger area. Appears in modules:

A general term used to denote the decrease in power between that transmitted and that received due to loss through equipment, lines, or other transmission devices. It is usually expressed as a ratio i [..]

The noise reducing capacity of hearing protection devices.

A gradual diminishing in the strength of something

Attenuation is the process by which the number of particles or photons entering a body of matter is reduced by absorption and scattering.

The loss in power of electromagnetic signals between transmission and reception points.

(n) weakening in force or intensity(n) the property of something that has been weakened or reduced in thickness or density

Pronunciation əˌtenjuˈeɪʃn The reduction in intensity of a sound or of some frequency component(s) of a sound.

the decrease in the intensity of a wave due to the loss of acoustic energy to heat energy

The loss or dissipation of WAVE energy, resulting in a reduction of WAVE HEIGHT (AMPLITUDE).

a reduction in wave amplitude.

Diminution of light intensity; explained in the ocean, in terms of absorption and scattering

The reduction of a signal from one point to another. For an electrical surge, attenuation refers to the reduction of an incoming surge by a limiter (attenuator). Wire resistance, arresters, power cond [..]

The loss of signal strength. To Attenuate the signal strength is to decrease the level of the signal strength. Attenuation occurs naturally over a length of cable. Refer to cable losses on page 8 for values.

Made thin, weak, or fine, as in strength, value, or virulence.

Reduction of signal strength

Attenuation refers to the decrease in the intensity of the ultrasound waves as they pass through tissues, measured in decibels percentimetre. Attenuation results from absorption, reflection, scatterin [..]

Expressed in decibels (db) per unit length, it is the loss of power in an electrical system.

Opposite of gain (see gain).

A signal loss or decrease.

The difference between the measurement of a blast wave on the outside and inside of a barrier. Decrease in intensity of a signal, beam, or wave as a result of absorption of energy and of scattering out of the path of a detector, but not including the reduction due to geometric spreading, i.e., the inverse square of distance effect. Also t he absorp [..]

A decrease or loss in a signal. Reduction of signal magnitude (loss) normally measured in decibels. Auto White Balance

A decrease or loss in a signal, usually measured in decibels.

the reduction in level of an electrical, acoustic, or audio signal.

The loss or dissipation of wave energy, resulting in a reduction of wave height (amplitude).

A decrease in the power of a received signal due to loss through lines, equipment or other transmission devices. Usually measured in dB.

Power loss in an electrical system.  In cables, attenuation is usually expressed in db per unit length, usually 100 ft.

The process by which a compound is reduced in concentration over time or distance through absorption, degradation, or transformation.

The process by which a compound is reduced in concentration over time, through absorption, adsorption, degradation, dilution, and/or transformation. an also be the decrease with distance of sight c [..]

The process by which a compound is reduced in concentration over time, through absorption, adsorption, degradation, dilution, and/or transformation. an also be the decrease with distance of sight caus [..]

A reduction in light strength or electrical signal, usually because of absorption or scattering, is called attenuation.  The use of triaxial cables can minimize attenuation.

A term that refers to signal loss in a transmission system or light loss through a lens system.

The loss of average optical power, usually given as decibels (dB) per unit distance.

The decrease in the magnitude of current, voltage, or power of a signal in transmission between points. Attenuation may be expressed in decibels, and can be caused by interference?s such as rain, clou [..]

Attenuation is a telecommunications term that refers to a reduction in signal strength commonly occurring while transmitting analog or digital signals over long distances. Attenuation is historically [..]

the process of weakening a virus and reducing its harmfulness; accomplished by passing the virus through different animal hosts until it is no longer strong enough to cause infection.

The drop in specific gravity that takes place as the wort ferments.

Extent to which yeast consumes fermentable sugars (converting them into alcohol and carbon dioxide).

The thinning down or reduction in wort concentration resulting from fermentation, decreasing the amount of extract.

The process of changing a virus or bacteria to reduce its disease-causing ability while retaining its ability to bring about a strong immune response in a person’s body.

The process of weakening a pathogen. Attenuation may be achieved in a variety of way: by exposing the pathogen to heat or chemicals, for example, or by passing the pathogens through a growth medium ma [..]

The process of changing a virus or bacteria to reduce its disease-causing ability while retaining its ability to bring about a strong immune response in a person’s body. [3] Autism-- A chronic develop [..]

the degree to which fermentable sugars are converted into alcohol as influenced by yeast, mash conditions and ingredients among other things.

The process by which forests reduce the amount of pollutants in the air.

The decrease in amplitude of a signal between any two points in a circuit. Usually expressed in decibels. Attenuation is the opposite of amplification.

  Refers to the way that illumination from a point light or spot light decreases with distance from the light. Physically, illumination should decrease with the square of the distance, but computer gr [..]

The reduction of electrical or acoustic signal strength. In audio, attenuation is measured in decibels (dB) and is typically heard as a reduction in volume. Sound waves traveling through the air natur [..]

Any process in which the flux density (power) of a beam of energy is dissipated.

Radar definition - It refers to the reduction of the radar beam power due to the reflection or absorption of energy when it strikes a target. The greatest attenuation occurs when the radar beam goes through very heavy rain. Hydrological definition - The process where the flood crest is reduced as it progresses downstream.

any decrease in amplitude

  Loss of sound energy as it travels through a medium from the source to a receiver. Intensity diminishes due to factors such as distance, scattering, absorption, i.e. - atmospheric conditions, geogra [..]

In radar meteorology, any process which reduces power density in radar signals.

The decrease in volume of a sound, music, or motion FX object, as it moves away from the source emitter.

It refers to the reduction of the radar beam power due to the reflection or absorption of energy when it strikes a target. The greatest attenuation occurs when the radar beam goes through very heavy rain.

Any process in which the flux density (power) of a beam of energy is dissipated.

the process whereby the magnitude of a flood event is reduced by slowing, modifying, or diverting the flow of water.

the decrease of a signal's amplitude level over any distance during transmission or through purpose designed attenuators. Attenuation measures signal loss in decibels (dB)

the reduction of an electrical signal.

A reduction in the strength of a radar echo when there is widespread rainfall. The second problem tends to occur in sitations where there is widespread rainfall or convectve activity, such as when thunderstorms are occurring. In this situation, some of the energy from the radar transmission is reflected by the closer rainfall in a given direction l [..]

The weakening of a signal over distance is referred to as attenuation.

In physics, any process in which the flux density (or power, amplitude, intensity, illuminance, etc.) of a "parallel beam” of energy decreases with increasing distance from the source. Attenuation is always due to the action of the transmitting medium itself, mainly by absorption and scattering. In meteorological optics, the attenuation of lig [..]

It refers to the reduction of the radar beam power due to the reflection or absorption of energy when it strikes a target. The greatest attenuation occurs when the radar beam goes through very heavy r [..]

The fractional part of reduced energy or lost power due to smoothing or filtering.

A making smaller: reduction of electrical or acoustic signal strength.

The reduction or removal of groundwater constituents by the sum of all physical, chemical, and biological factors acting upon the groundwater. In geophysical terms, it refers to a reduction in energy or amplitude caused by the physical characteristics of a transmitting system.

The decrease in magnitude of a signal as it travels through any transmitting medium, such as a cable or circuitry. The ability of a filter circuit to reduce the amplitude of unwanted frequencies to a [..]

The sound reduction process in which sound energy is absorbed or diminished in intensity as the result of energy conversion from sound to motion or heat.

Loss of signal power or amplitude suffered during its transmission through a medium.

A dimensionless ratio defining the decrease in magnitude of a signal as it passes between two points or two frequencies. Occasionally expressed in decibels (dB). Further Reading

A gradual diminishing in the strength of something. (physics) A reduction in the level of some property with distance, especially the amplitude of a wave or the strength of a signal. (biology) A [..]

In physics, attenuation or, in some contexts, extinction is the gradual loss of flux intensity through a medium. For instance, dark glasses attenuate sunlight, lead attenuates X-rays, and water and ai [..]

Attenuation is the gradual loss in intensity of any kind of flux through a medium, including: Acoustic attenuation, the loss of sound energy in a viscous medium Anelastic attenuation factor, a way to [..]

In brewing, attenuation refers to the conversion of sugars into alcohol and carbon dioxide by the fermentation process; the greater the attenuation, the more sugar has been converted into alcohol. A m [..]