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to contaminate
01
to make a place, substance, etc. dirty or harmful by adding dangerous material
Transitive: to contaminate sth
Grammatical Information
Composition
derived
Action verb
Regular
Present tense
contaminate
3rd person singular
contaminates
Present participle
contaminating
Past simple
contaminated
Past participle
contaminated
Examples
The factory 's discharge pipes contaminated the river with toxic chemicals.
02
to make something radioactive by introducing radioactive material into it
Transitive: to contaminate sth
Examples
The lab worker accidentally contaminated the samples with radioactive isotopes.
Lexical Tree
contaminated
contaminating
contamination
contaminate
contamin
