Definition, Meaning & Synonyms | English word ATTENUATE

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Definitions of ATTENUATE

1. (transitive) To reduce in size, force, value, amount, or degree.
2. (transitive) To make thinner, as by physically reshaping, starving, or decaying.
3. (intransitive) To become thin or fine; to grow less.
4. (transitive) To weaken.
5. (transitive) To rarefy.
6. (transitive, medicine) To reduce the virulence of a bacterium or virus.
7. (transitive, electronics) To reduce the amplitude of an electrical, radio, or optical signal.
8. (brewing) (of a beer) To become less dense as a result of the conversion of sugar to alcohol.
9. (botany, of leaves) Gradually tapering into a petiole-like extension toward the base.

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Examples of Using ATTENUATE in a Sentence

• For instance, dark glasses attenuate sunlight, lead attenuates X-rays, and water and air attenuate both light and sound at variable attenuation rates.
• In multimode fibre optics, mandrel wrapping is a technique used to preferentially attenuate high-order mode power of a propagating optical signal.
• The purpose of weighting here is to emphasise the parts of the audible spectrum that our ears perceive most readily, and attenuate the parts that contribute less to our perception of loudness, in order to get a measured figure that correlates well with subjective effect.
• Piacenza integrates characteristics of the nearby Ligurian and Piedmontese territories added to a prevalent Lombard influence, favored by communications with the nearby metropolis, which attenuate its Emilian footprint.
• The filter does not attenuate all frequencies outside the desired frequency range completely; in particular, there is a region just outside the intended passband where frequencies are attenuated, but not rejected.
• Low-pass filters pass through frequencies below their cutoff frequencies, and progressively attenuate frequencies above the cutoff frequency.
• Following the demise of the Soviet Union, philanthropic foundations and scientific bureaucracies moved to attenuate their support for area studies, emphasizing instead interregional themes like "development and democracy".
• This is more conceptual than physically achievable: even very thick concrete walls will attenuate sound and may have an NRC of 0.
• For example, a witness who freely and voluntarily testifies is enough of an independent intervening factor to sufficiently "attenuate" the connection between the government's illegal discovery of the witness and the witness's voluntary testimony itself.
• The physical dimensions and baffle configuration of sound attenuators are selected to attenuate a specific range of frequencies.
• A practical anti-aliasing filter will typically permit some aliasing to occur or attenuate or otherwise distort some in-band frequencies close to the Nyquist limit.
• Comparatively sanguine developments—ranging from the initial wave of professional-driven gentrification in Brooklyn Heights, Cobble Hill, Boerum Hill and Park Slope (leading to the former neighborhood's designation as New York City's first landmark historic district in 1965) to the Immigration and Nationality Act of 1965 (which removed racially-based restrictions on immigration to the United States, enabling many neighborhoods to be revitalized by migrants from Eastern Europe, Asia, Latin America and the Caribbean)—did not immediately attenuate the malaise in the popular consciousness.
• Henceforth, he and Calmette developed ways of attenuate the pathogenic activity of Mycobacterium, using successive transferrals of culture.
• LCs contain a large amount of cannabinoid receptor type 2 (CB2), that by activation by agonists, attenuate both the recruitment of eosinophils and ear swelling in chronic contact dermatitis induced by repeated challenge.
• In the measurement of gamma rays or other ionising radiation, a radiation monitor or dosimeter will commonly use a filter to attenuate those energy levels or wavelengths that cause the least damage to the human body, while letting through those that do the most damage, so that any source of radiation may be measured in terms of its true danger rather than just its "strength".
• Last but not least, the humble "big muff pi" style tone control immediately preceding the output buffer is a fixed cutoff lowpass filter and a fixed cuttoff highpass filter which attenuate either the low or high end, depending on the position of the potentiometer.
• The later version replaced the two simple attenuators (scaled 10-0) with 'attenuverters' (scaled -5, 0, +5) which added the ability to invert the control voltage polarity as well as attenuate the amplitude.
• In turn, it influences support for HE and HA "legitimating myths", defined as "values, attitudes, beliefs, causal attributions and ideologies" that in turn justify social institutions and practices that either enhance or attenuate group hierarchy.
• The back rollers pull the sliver from the bobbins, and passing it to the succeeding pairs, whose differential speeds attenuate it to the required degree of fineness.
• In the measurement of gamma rays or other ionising radiation, a radiation monitor or dosimeter will commonly use a filter to attenuate those energy levels or wavelengths that cause the least damage to the human body but letting through those that do the most damage, so any source of radiation may be measured in terms of its true danger rather than just its strength.

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