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v. at·ten·u·at·ed, at·ten·u·at·ing, at·ten·u·ates
1. To make slender, fine, or small: The drought attenuated the river to a narrow channel.
2. To reduce in force, value, amount, or degree; weaken: Medicine attenuated the fever's effect.
3. To lessen the density of; rarefy.
4. Biology To make (bacteria or viruses) less virulent.
5. Electronics To reduce (the amplitude of an electrical signal) with little or no distortion.
To become thin, weak, or fine.
1. Reduced or weakened, as in strength, value, or virulence.
2. Botany Gradually tapering to a slender point.
[Latin attenuāre, attenuāt- : ad-, ad- + tenuāre, to make thin (from tenuis, thin; see ten- in the Appendix of Indo-European roots).]
1. to weaken or become weak; reduce in size, strength, density, or value
2. to make or become thin or fine; extend
3. (Microbiology) (tr) to make (a pathogenic bacterium, virus, etc) less virulent, as by culture in special media or exposure to heat
4. diluted, weakened, slender, or reduced
5. (Botany) botany tapering gradually to a point
[C16: from Latin attenuāre to weaken, from tenuis thin]
at•ten•u•ate(v. əˈtɛn yuˌeɪt; adj. -ɪt, -ˌeɪt)
v. -at•ed, -at•ing,
1. to weaken or reduce in force, intensity, effect, quantity, or value: to attenuate desire.
2. to make thin; make slender or fine.
3. to render less virulent, as a strain of pathogenic virus or bacterium.
4. to reduce the amplitude of (an electronic signal) without distortion.v.i.
5. to become thin or fine; lessen.adj.
6. weakened; diminishing.
7. Bot. tapering gradually to a narrow extremity.
Past participle: attenuated
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|Verb||1.||attenuate - weaken the consistency of (a chemical substance)|
chemical science, chemistry - the science of matter; the branch of the natural sciences dealing with the composition of substances and their properties and reactions
weaken - lessen the strength of; "The fever weakened his body"
|2.||attenuate - become weaker, in strength, value, or magnitude|
weaken - become weaker; "The prisoner's resistance weakened after seven days"
refine - attenuate or reduce in vigor, strength, or validity by polishing or purifying; "many valuable nutrients are refined out of the foods in our modern diet"
|Adj.||1.||attenuate - reduced in strength; "the faded tones of an old recording"|
attenuate[əˈtenjʊeɪt] VT → atenuar
vt (= weaken) → abschwächen; statement also → abmildern; gas → verdünnen; (= make thinner) → dünn machen; attenuating circumstances → mildernde Umstände
vi (= get weaker) → schwächer or abgeschwächt werden; (gas) → sich verdünnen; (= get thinner) → dünner werden
adj (Bot) attenuate leaf → lanzettförmiges Blatt