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vitreous
vitreous body
vitreous enamel
vitreous humor
vitreous silica
vitrescent
vitri-
vitric
vitrification
vitriform
vitrify
vitrine
vitriol
vitriolic
vitta
vittles
vituline
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vitiate

vi·ti·ate [ víshee àyt ] (past and past participle vi·ti·at·ed, present participle vi·ti·at·ing, 3rd person present singular vi·ti·ates)


transitive verb 
Definition:
 
1. make something ineffective: to destroy or drastically reduce the effectiveness of something, or make it invalid

2. make something faulty: to cause something to become faulty

3. debase something: to degrade something morally

[Mid-16th century. < Latin vitiare< vitium "fault, vice"]

vi·ti·a·ble adjective
vi·ti·a·tion [ vìshee áysh'n ] noun
vi·ti·a·tor [ víshee àytər ] noun
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