| 释义 |
attenuated
at·ten·u·ate A0509700 (ə-tĕn′yo͞o-āt′)v. at·ten·u·at·ed, at·ten·u·at·ing, at·ten·u·ates v.tr.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.v.intr. To become thin, weak, or fine.adj. (-yo͞o-ĭt)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 Indo-European roots).]
at·ten′u·a′tion n.Thesaurus| Adj. | 1. | attenuated - of an electrical signal; reduced in amplitude with little or no distortionelectronics - the branch of physics that deals with the emission and effects of electrons and with the use of electronic devicesdecreased, reduced - made less in size or amount or degree | | 2. | attenuated - reduced in strength; "the faded tones of an old recording"attenuate, faded, weakeneddecreased, reduced - made less in size or amount or degree |
attenuatedadjective1. slender, extended, thinned, slimmed, refined, stretched out, lengthened, drawn out, spun out, elongated, rarefied rounded arches and attenuated columns2. weakened, reduced, contracted, lowered, diminished, decreased, dilute, diluted, lessened, devalued, sapped, watered down, adulterated, enfeebled, enervated The vaccination contains attenuated strains of the target virus.TranslationsEncyclopediaSeeattenuateattenuated
attenuated adjective Medtalk 1. Reduced in virulence or infectivity.2. Thin, minimal, markedly reduced or decreased.attenuated Weakened or reduced, and so altered in characteristics so as no longer to be dangerous. The term is applied to organisms that have been specially cultured so as to reduce their virulence and make them suitable for use in vaccines.AttenuatedAlive but weakened; an attenuated microorganism can no longer produce disease.Mentioned in: Tuberculin Skin TestLegalSeeAttenuateattenuated
Related to attenuated: Attenuated total reflectanceSynonyms for attenuatedadj slenderSynonyms- slender
- extended
- thinned
- slimmed
- refined
- stretched out
- lengthened
- drawn out
- spun out
- elongated
- rarefied
adj weakenedSynonyms- weakened
- reduced
- contracted
- lowered
- diminished
- decreased
- dilute
- diluted
- lessened
- devalued
- sapped
- watered down
- adulterated
- enfeebled
- enervated
Synonyms for attenuatedadj of an electrical signalRelated Words- electronics
- decreased
- reduced
adj reduced in strengthSynonymsRelated Words |