attenuate

All Sources -
Updated Media sources (1) About encyclopedia.com content Print Topic Share Topic
views updated

at·ten·u·ate • v. / əˈtenyoōˌāt/ [tr.] (often be attenuated) reduce the force, effect, or value of: her intolerance was attenuated by a rather unexpected liberalism. ∎  reduce the amplitude of (a signal, electric current, or other oscillation). ∎  [intr.] (of a signal, electric current, or other oscillation) be reduced in amplitude. ∎  [usu. as adj.] (attenuated) reduce the virulence of (a pathogenic organism or vaccine): attenuated strains of rabies virus. ∎  reduce in thickness; make thin. • adj. / -wit; -ˌwāt/ rare reduced in force, effect, or physical thickness. DERIVATIVES: at·ten·u·a·tion / əˌtenyoōˈāshən/ n.

views updated

attenuate •labiate •irradiate, radiate •mediate • ideate • repudiate •palliate, retaliate •affiliate, ciliate, conciliate, humiliate •exfoliate, foliate •nucleate • permeate • delineate •calumniate • expiate •expatriate, repatriate •recreate • inebriate •aureate, excoriate •procreate •appropriate, expropriate, impropriate, misappropriate •infuriate, luxuriate •asphyxiate • nauseate •annunciate, enunciate •instantiate, substantiate, transubstantiate •differentiate, potentiate •expatiate, ingratiate, satiate •appreciate, depreciate •initiate, officiate, propitiate, vitiate •associate, dissociate, negotiate •excruciate • aviate •abbreviate, alleviate, deviate •obviate • exuviate • inchoate •actuate • perpetuate • effectuate •habituate • fluctuate • punctuate •graduate • individuate • menstruate •accentuate, eventuate •evacuate •evaluate, valuate •superannuate • infatuate •attenuate, extenuate •insinuate • situate

views updated

attenuate XVI. f. pp. stem of L. attenuāre, f. AT- + tenuāre f. tenuis THIN; see -ATE3.

views updated

ATTENUATE

To reduce the force or severity; to lessen a relationship or connection between two objects.

In criminal procedure, the relationship between an illegal search and a confession may be sufficiently attenuated as to remove the confession from the protection afforded by the fruit of the poisonous tree doctrine, thereby making it admissible as evidence in a criminal prosecution depending upon the facts of the case.