attenuated virus n.
A strain of a virus whose pathogenicity has been reduced so that it will initiate the immune response without producing the specific disease.
Pasteurism, pas-tėr′izm, n. the method of inoculation with the attenuated virus of certain diseases, esp.
Chambers’s Twentieth Century Dictionary (part 3 of 4: N-R) Various
Thirdly, he showed that inoculation with the attenuated virus rendered an animal immune from infection with rabies.
Little Masterpieces of Science: Health and Healing Various
The matter first came to a practical issue by the inoculation of well animals with the attenuated virus.
Notable Events of the Nineteenth Century Various
He proposed to furnish a drove of fifty sheep half of which were to be inoculated with the attenuated virus of Pasteur.
A History of Science, Volume 4(of 5) Henry Smith Williams
In the chapter on fowl cholera is described how Pasteur first obtained his attenuated virus.
Louis Pasteur Ren Vallery-Radot
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. Electronics. to decrease the amplitude of (an electronic signal). to become thin or fine; lessen. weakened; diminishing. Botany. tapering gradually […]
the act of or the state of being . the process by which a virus, bacterium, etc., changes under laboratory conditions to become harmless or less virulent. Physics. a decrease in a property, as energy, per unit area of a wave or a beam of particles, occurring as the distance from the source increases as […]
a device for decreasing the amplitude of an electronic signal. noun (physics) any device designed to reduce the power of a wave or electrical signal without distorting it a person or thing that attenuates
to bear witness to; certify; declare to be correct, true, or genuine; declare the truth of, in words or writing, especially affirm in an official capacity: to attest the truth of a statement. to give proof or evidence of; manifest: His works attest his industry. to put on oath. to testify or bear witness (often […]