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1

attenuate

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adjective at·ten·u·ate \ə-ˈten-yə-wət, -yü-ət\

Definition of attenuate

  1. 1 :  reduced especially in thickness, density, or force

  2. 2 :  tapering gradually usually to a long slender point <attenuate leaves>



Origin of attenuate

Middle English attenuat, from Latin attenuatus, past participle of attenuare to make thin, from ad- + tenuis thin — more at thin


First Known Use: 15th century


2

attenuate

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verb at·ten·u·ate \ə-ˈten-yə-ˌwāt, -yü-ˌāt\

Simple Definition of attenuate

  • : to make (something) weaker or less in amount, effect, or force

Full Definition of attenuate

at·ten·u·at·edat·ten·u·at·ing

  1. transitive verb
  2. 1 :  to make thin or slender

  3. 2 :  to make thin in consistency :  rarefy

  4. 3 :  to lessen the amount, force, magnitude, or value of :  weaken

  5. 4 :  to reduce the severity, virulence, or vitality of <an attenuated virus>

  6. intransitive verb
  7. :  to become thin, fine, or less

at·ten·u·a·tionplay \-ˌten-yə-ˈwā-shən, -yü-ˈā-\ noun

Examples of attenuate

  1. Earplugs will attenuate the loud sounds of the machinery.

  2. <an investment attenuated by significant inflation over the years>



1530

First Known Use of attenuate

1530

Rhymes with attenuate

abbreviate, abominate, accelerate, accentuate, accommodate, acculturate, accumulate, adjudicate, adulterate, affiliate, agglomerate, alienate, alleviate, alliterate, amalgamate, ameliorate, amyl nitrate, annihilate, annunciate, anticipate, apostolate, appreciate, appropriate, approximate, arpeggiate, articulate, asphyxiate, assassinate, asseverate, assimilate, associate, at any rate, authenticate, barbiturate, bicarbonate, calumniate, capacitate, capitulate, catholicate, certificate, coagulate, coelenterate, collaborate, commemorate, commiserate, communicate, compassionate, concatenate, conciliate, confabulate, confederate, conglomerate, congratulate, consolidate, contaminate, cooperate, coordinate, corroborate, deactivate, debilitate, decapitate, decelerate, decerebrate, deconcentrate, deconsecrate, decorticate, decrepitate, de-escalate, defibrinate, defoliate, degenerate, deliberate, delineate, demodulate, denominate, depopulate, depreciate, deracinate, deregulate, desegregate, desiderate, detoxicate, devaluate, diaconate, dilapidate, discriminate, disintegrate, disseminate, dissimulate, dissociate, domesticate, effectuate, ejaculate, elaborate, electroplate, eliminate, elucidate, emaciate, emancipate, emasculate, encapsulate, enumerate, enunciate, episcopate, equivocate, eradicate, etiolate, evacuate, evaluate, evaporate, eventuate, eviscerate, exacerbate, exaggerate, exasperate, excited state, excogitate, excoriate, exfoliate, exhilarate, exonerate, expatiate, expatriate, expectorate, expostulate, expropriate, extenuate, exterminate, extrapolate, facilitate, felicitate, fish or cut bait, garrison state, gesticulate, habilitate, habituate, hallucinate, humiliate, hydrogenate, hypothecate, illuminate, impersonate, inactivate, inaugurate, incarcerate, incinerate, incorporate, incriminate, indoctrinate, inebriate, infatuate, infuriate, ingratiate, ingurgitate, initiate, inoculate, inseminate, insinuate, instantiate, intercalate, interpolate, interrelate, interrogate, intimidate, intoxicate, invalidate, investigate, invigorate, irradiate, Italianate, Korea Strait, lanceolate, legitimate, luxuriate, mandarinate, manipulate, matriarchate, matriculate, Merthiolate, necessitate, negotiate, noncandidate, obliterate, officiate, Orange Free State, orientate, originate, oxygenate, participate, particulate, patriarchate, patriciate, perambulate, peregrinate, perpetuate, pontificate, precipitate, predestinate, predominate, prefabricate, premeditate, preponderate, prevaricate, procrastinate, prognosticate, proliferate, propitiate, proportionate, quadruplicate, quintuplicate, reciprocate, recriminate, recuperate, redecorate, reduplicate, reeducate, refrigerate, regenerate, regurgitate, reincarnate, reintegrate, reiterate, rejuvenate, remunerate, repatriate, repudiate, resuscitate, retaliate, reticulate, revaluate, reverberate, scholasticate, second estate, self-flagellate, self-immolate, self-pollinate, seventy-eight, sextuplicate, Singapore Strait, sophisticate, subordinate, substantiate, syllabicate, tergiversate, transliterate, triangulate, vanity plate, variegate, vaticinate, vituperate, vociferate


Medical Dictionary

attenuate

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transitive verb at·ten·u·ate \ə-ˈten-yə-ˌwāt\

Medical Definition of attenuate

at·ten·u·at·edat·ten·u·at·ing

  1. :  to reduce the severity of (a disease) or virulence or vitality of (a pathogenic agent) <a procedure to attenuate severe diabetes> <attenuated bacilli>




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