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Definitions for Attenuate

[1] to weaken or reduce in force, intensity, effect, quantity, or value: to attenuate desire.
[2] to make thin; make slender or fine.
[3] Bacteriology , Immunology . to render less virulent, as a strain of pathogenic virus or bacterium.
[4] Electronics . to decrease the amplitude of (an electronic signal).
[5] to become thin or fine; lessen.
[6] weakened; diminishing.
[7] Botany . tapering gradually to a narrow extremity.
[8] to weaken or become weak; reduce in size, strength, density, or value
[9] to make or become thin or fine; extend
[10] (tr) to make (a pathogenic bacterium, virus, etc) less virulent, as by culture in special media or exposure to heat
[11] diluted, weakened, slender, or reduced
[12] botany tapering gradually to a point

Words related to Attenuate

debilitate, constrict, vitiate, mitigate, extenuate, cripple, lessen, deflate, dissipate, enfeeble, disable, contract, abate, sap, shrink, undermine, thin

Words nearby Attenuate

attention span, attention-getting, attentive, attentively, attenuant, attenuate, attenuated virus, attenuation, attenuator, attercop, attest

Origin of Attenuate

First recorded in 1520–30, attenuate is from the Latin word attenuātus (past participle of attenuāre to thin, reduce). See at-, tenuis, -ate1

Other words from Attenuate

o·ver·at·ten·u·ate , verb (used with object), o·ver·at·ten·u·at·ed, o·ver·at·ten·u·at·ing.
sub·at·ten·u·ate , adjective
sub·at·ten·u·at·ed , adjective
un·at·ten·u·at·ed , adjective
un·at·ten·u·at·ed·ly , adverb

Word origin for Attenuate

C16: from Latin attenuāre to weaken, from tenuis thin

Synonyms for Attenuate

constrict, debilitate, vitiate, abate, contract, cripple, deflate, disable, dissipate, enfeeble, extenuate, lessen, mitigate, sap, shrink, thin, undermine