Definitions for attenuateəˈtɛn yuˌeɪt; -ɪt, -ˌeɪt

This page provides all possible meanings and translations of the word attenuate

Random House Webster's College Dictionary

at•ten•u•ateəˈtɛn yuˌeɪt; -ɪt, -ˌeɪt(v.; adj.)-at•ed, -at•ing

  1. (v.t.)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.

    Category: Microbiology, Immunology

  4. to reduce the amplitude of (an electronic signal) without distortion.

    Category: Electronics

  5. (v.i.)to become thin or fine; lessen.

  6. (adj.)weakened; diminishing.

  7. Bot. tapering gradually to a narrow extremity.

    Category: Botany

Origin of attenuate:

1520–30; < L attenuātus, ptp. of attenuāre to thin, reduce. See at -, tenuis , -ate1

Princeton's WordNet

  1. attenuate, attenuated, faded, weakened(verb)

    reduced in strength

    "the faded tones of an old recording"

  2. rarefy, attenuate(verb)

    weaken the consistency of (a chemical substance)

  3. attenuate(verb)

    become weaker, in strength, value, or magnitude


  1. attenuate(Verb)

    To reduce in size, force, value, amount, or degree

  2. attenuate(Verb)

    To weaken

  3. attenuate(Verb)

    To rarefy

  4. attenuate(Verb)

    To reduce the virulence of a bacteria or virus

  5. attenuate(Verb)

    To reduce the amplitude of an electrical signal

  6. attenuate(Adjective)

    Gradually tapering into a petiole-like extension toward the base.

  7. Origin: From attenuāre, from attenuāt-, at- = ad-, ad- + tenuāre, tenuis.

Webster Dictionary

  1. Attenuate(verb)

    to make thin or slender, as by mechanical or chemical action upon inanimate objects, or by the effects of starvation, disease, etc., upon living bodies

  2. Attenuate(verb)

    to make thin or less consistent; to render less viscid or dense; to rarefy. Specifically: To subtilize, as the humors of the body, or to break them into finer parts

  3. Attenuate(verb)

    to lessen the amount, force, or value of; to make less complex; to weaken

  4. Attenuate(verb)

    to become thin, slender, or fine; to grow less; to lessen

  5. Attenuate(adj)

    alt. of Attenuated

Translations for attenuate


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