• WordNet 3.6
    • v contaminate make impure "The industrial wastes polluted the lake"
    • v contaminate make radioactive by adding radioactive material "Don't drink the water--it's contaminated"
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Webster's Revised Unabridged Dictionary
  • Interesting fact: In a University of Arizona study, rails and armsrests in public buses were found to be contaminated by the highest concentration of bodily fluids.
    • a Contaminate Contaminated; defiled; polluted; tainted. "Contaminate drink."
    • v. t Contaminate kŏn*tăm"ĭ*nāt To soil, stain, or corrupt by contact; to tarnish; to sully; to taint; to pollute; to defile. "Shall we now Contaminate our figures with base bribes?""I would neither have simplicity imposed upon, nor virtue contaminated ."
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Century Dictionary and Cyclopedia
  • Interesting fact: Ricin is a protein produced by the castor oil plant, Ricinus communis, which is highly toxic (the minimal lethal dose is around 1 µg / kg body weight, that means 1/15th of a milligram could kill a 150 lb. person). Ricin can be a dangerous contaminant, making the production of castor oil a precisely controlled process.
    • contaminate To render impure by mixture or contact; defile; pollute; sully; tarnish; taint; corrupt: usually in a figurative sense.
    • contaminate Synonyms To infect, poison, corrupt. See taint.
    • contaminate Contaminated; polluted; defiled; tainted; corrupt.
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Chambers's Twentieth Century Dictionary
  • Interesting fact: Toothbrushes should be kept 6 feet away from the toilet to avoid being contaminated by airborne stuff stirred up after flushing
    • v.t Contaminate kon-tam′i-nāt to defile by touching or mixing with: to pollute: to corrupt: to infect
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Webster's Revised Unabridged Dictionary
L. contaminatus, p. p. of contaminare, to bring into contact, to contaminate, fr. contamen, contagion, for contagmen,; con-, + root of tangere, to touch. See Contact
Chambers's Twentieth Century Dictionary
L. contamināre, -ātumcontamen (for contagmen), pollution. See Contact.


In literature:

Isabel answered that the faults of the basest could not contaminate so perfect a character.
"The Loyalists, Vol. 1-3" by Jane West
Unless this was simply some accidental contamination of his culture, not common to the other samples.
"Badge of Infamy" by Lester del Rey
Vicious companions not infrequently sow the seeds of evil habits far and wide, contaminating all who come within their influence.
"Plain Facts for Old and Young" by John Harvey Kellogg
Yes, there is one more monstrous, deceitful, and contaminating than that.
"The Priest, The Woman And The Confessional" by Father Chiniquy
No one would touch what he had contaminated.
"Sophisms of the Protectionists" by Frederic Bastiat
The subsequent covering with oil would serve to protect the wound to some degree from external contamination.
"Old-Time Makers of Medicine" by James J. Walsh
The Englishmen who came to know Italian society could not avoid being contaminated by the contact.
"The Palace of Pleasure, Volume 1" by William Painter
Feed a good quality of food, such as wheat bran mashes or steamed rolled oats and see that the water supply is fresh and non-contaminated.
"The Veterinarian" by Chas. J. Korinek
A final great contaminant against which weapons are meager is acid mine drainage.
"The Nation's River" by United States Department of the Interior
I cannot be impartial before a man who contaminates my Court with the world's most dangerous disease!
"Highways in Hiding" by George Oliver Smith

In poetry:

"My child, 'tis said such beauteous things,
Too often loved with vain excess,
Are swept away by angel wings,
Before contamination clings
To their frail loveliness.
"The Child And The Dew-Drops (in memory of a lost son)." by John Critchley Prince
Come then, and earnestly his favour crave,
Nor let thy weighty sins retard thy soul:
Christ never came the sinless folks to save,
But such as are contaminate and foul.
"Advice To A Sinner, To Come To Christ" by Rees Prichard
Yes! let His place be there!
Where the lone moorland gazes on the sea,
Not in the squalid street nor pompous square:
So that he again may be
From contamination free,
His pedestal the plain, his canopy the air!
"Burns’s Statue At Irvine" by Alfred Austin

In news:

Hotel rooms often contaminated with fecal matter.
In a new project, the Water Environment Research Foundation (WERF) is using canine scent tracking, or sewage sniffing dogs, to find sources of human waste contamination in storm drains.
Hotel rooms often contaminated with fecal matter .
1 in 6 UK cell phones is contaminated with fecal matter .
1 in 6 mobile phones is contaminated with fecal matter , study finds.
The fight over the future of copper-nickel mining centers on concerns about contaminating the air, water and lands of the Northland.
FDA warns certain Beef Filet Squares for dogs may be contaminated with salmonella.
Beef Filet Dog Treats May Be Contaminated.
TWENTY years ago, most Americans bought bottles of water only when they feared contamination in the water supply.
Two studies, one out Tuesday, found that all of the women tested were contaminated with polybrominated diphenyl ethers.
More than 50 food products including soups, dips and salad dressings were caught up in a large recall of a flavor -enhancing ingredient possibly contaminated with salmonella this week, including.
The Food and Drug Administration said Wednesday it found 14 additional Chinese companies supplied contaminated raw material to make heparin , a widely used blood thinner.
Lawmakers scolded the FDA for still not knowing what or who was behind the contamination of the blood-thinning drug Heparin , nearly three years after launching its investigation.
The contaminated drug led to the deaths of dozens of people in the U.S.
Report Confirms Source of Contaminated Heparin .

In science:

In both cases, we assume a contaminating stellar population from the spheroidal component similar to that found above from the “clear” region east of the nucleus.
The Aligned z ~ 1 Radio Galaxy 3C 280
Careful measurement of relative positions along the slit indicates that we were successful in obtaining a spectrum of the arc, with little contamination from other components.
The Aligned z ~ 1 Radio Galaxy 3C 280
Interstellar contamination is unlikely to be significant in a galaxy that is dominated by relatively old stars.
The Aligned z ~ 1 Radio Galaxy 3C 280
Thus the difference between the September 2002 and January 2003 tests could be due to particulate contamination during the highpressure rinse without the final filter.
Status Report on Multi-Cell Superconducting Cavity Development for Medium-Velocity Beams
Even at this velocity cutoff, however, there is a chance that a few high-velocity Galactic halo stars will contaminate our sample.
The Globular Cluster System of NGC 5128 I. Survey and Catalogs