Contaminate Definition

contaminated, contaminates, contaminating
contaminated, contaminates, contaminating
To make impure, infected, corrupt, radioactive, etc. by contact with something or by the addition of something; pollute; defile; sully; taint.
Webster's New World
To expose to or permeate with radioactivity.
American Heritage
To influence the semantic properties or phonological form of (a word or phrase); blend with.
The Middle English word femelle was contaminated by the word male, resulting in the modern form female.
American Heritage
Do not contaminate the peanut butter with the jelly.
This water is contaminated. It isn't safe to drink.
One that contaminates; a contaminant.
American Heritage

Origin of Contaminate

  • From Old French contaminer, from Latin contaminare (“to touch together, blend, mingle, corrupt, defile”), from contamen (“contact, defilement, contagion”), related to tangere.

    From Wiktionary

  • Middle English contaminaten from Latin contāmināre contāmināt- tag- in Indo-European roots

    From American Heritage Dictionary of the English Language, 5th Edition

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