- 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 to a narrow extremity.
Origin of attenuate
Examples from the Web for attenuating
Another process for attenuating the atmosphere over the surface of fluids during evaporation is by the action of an air-pump.
The air should be hot and dry, and her diet hot and attenuating.
She did me the honour to accept of a pony, but the attenuating circumstances are all purely imaginary.Diary And Notes Of Horace Templeton, Esq.
Charles James Lever
They become perfect adepts in apologies, and with one cast of the net draw in a whole shoal of attenuating circumstances.Barrington
Charles James Lever
Hargreaves had also shown how to produce a thread by attenuating the cotton by means of a travelling carriage.The Story of the Cotton Plant
- to weaken or become weak; reduce in size, strength, density, or value
- to make or become thin or fine; extend
- (tr) to make (a pathogenic bacterium, virus, etc) less virulent, as by culture in special media or exposure to heat
- diluted, weakened, slender, or reduced
- botany tapering gradually to a point
Word Origin and History for attenuating
"to make thin, to make less," 1520s, from Latin attenuatus "enfeebled, weak," past participle of attenuare "to make thin, lessen, diminish," from ad- "to" (see ad-) + tenuare "make thin," from tenuis "thin" (see tenet). Related: Attenuated; attenuating. Earlier was Middle English attenuen "to make thin (in consistency)," early 15c.
- To reduce in force, value, amount, or degree; weaken; diminish.
- To make bacteria or viruses less virulent.
- Reduced or weakened, as in strength, value, or virulence.