1 : to lessen the amount, force, magnitude, or value of : weaken … shows great skill in the use of language to moderate or attenuate the impact of awkward facts.— Bernard Lewis. 2 : to reduce the severity, virulence, or vitality of an attenuated virus. 3 : to make thin or slender Glass can be attenuated into fibers.
What is the best meaning of the word attenuated?
to weaken or reduce in force, intensity, effect, quantity, or value: to attenuate desire. to make thin; make slender or fine. Bacteriology, Immunology. to render less virulent, as a strain of pathogenic virus or bacterium.
What does attenuation mean?
Definition of attenuation : the act or process of attenuating something or the state of being attenuated: such as. a : a lessening in amount, force, magnitude, or value : weakening Sound can travel thousands of kilometers in this planar acoustic waveguide with little attenuation.—
What does attenuated mean in research?
Attenuation is a statistical concept that refers to underestimating the correlation between two different measures because of measurement error. Because no test or other measurement of any construct has perfect reliability, the validity of the scores between predictor and criterion will decrease.
What does attenuated mean in vaccines?
Live attenuated vaccines contain whole bacteria or viruses which have been “weakened”(attenuated) so that they create a protective immune response but do not cause disease in healthy people.
What does non attenuated mean?
: not reduced, weakened, or lessened in amount, effect, or force : not attenuated an unattenuated signal.
What does too attenuated mean?
1 : lessened or weakened (as in amount, force, or magnitude) “It wasn’t that there was less effect, or an attenuated effect. There was no effect at all.”—
How is a virus attenuated?
A virus is often attenuated by introducing it into a species in which it does not replicate well (i.e., infection of an animal with a human virus), or forcing it to replicate repeatedly in tissue culture, a protocol called passaging.
What is the meaning of live attenuated?
Attenuated. A disease-causing virus or bacterium that is weakened in a laboratory so it cannot cause disease. Live attenuated viruses are often used as vaccines because, although weakened, they can stimulate a strong immune response.
What does attenuated mean in medical terms?
(uh-TEN-yoo-way-ted) Weakened or thinned. Attenuated strains of disease-causing bacteria and viruses are often used as vaccines. The weakened strains are used as vaccines because they stimulate a protective immune response while causing no disease or only mild disease in the person receiving the vaccine.
What vaccines are attenuated?
The live, attenuated viral vaccines currently available and routinely recommended in the United States are MMR, varicella, rotavirus, and influenza (intranasal). Other non-routinely recommended live vaccines include adenovirus vaccine (used by the military), typhoid vaccine (Ty21a), and Bacille Calmette-Guerin (BCG).
How do you use attenuated in a sentence?
1. The fat girl was attenuated by hunger. 2. Radiation from the sun is attenuated by the Earth’s atmosphere.
What does attenuate mean?
To lessen or deplete the nerve,energy,or strength of: debilitate,devitalize,enervate,enfeeble,sap,undermine,undo,unnerve,weaken.
What is another word for attenuated?
Another word for attenuated. Adjective. attenuate, attenuated, faded, weakened – reduced in strength. Example:- the faded tones of an old recording. attenuated – of an electrical signal; reduced in amplitude with little or no distortion.
What does attenuation mean medically?
General Definition of Attenuation. The term “attenuate” is defined as “to weaken, dilute, thin or reduce,” according to Medterms.com. The literal Latin translation of the term is “to thin.” This word is generally used in the medical setting to describe the weakening or decreased vitality of a pathogen or microorganism, according to Merriam-Webster.
What is the opposite of attenuated?
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.
