The adulterating effect of extraneous materials.    From Wordnet, Princeton University. 

Verb (used with object) : to adulterate food.    From Dictionary.com. 

Chelsea's coach at the time, Jose Mourinho, accused the official of "adulterating" the outcome of a match.    From Wordnik.com.  [TEAMtalk Football News] Reference

Scientific conservatives can’t stand the idea of adulterating known truths by including potentially false ideas.    From Wordnik.com.  [ENTANGLED MINDS] Reference

No adulterating hee, pun not intended the Muppets.    From Wordnik.com.  [Muppets returning to TV? Let's join in song to celebrate! | EW.com] Reference

Bhatia and Smith were adamant about not adulterating email.    From Wordnik.com.  [PS: I Love You. Get Your Free Email at Hotmail] Reference

Ground cocoanut shells are used mostly in adulterating pepper, etc.    From Wordnik.com.  [One Thousand Secrets of Wise and Rich Men Revealed] Reference

The latter substance is occasionally, for adulterating purposes, added in.    From Wordnik.com.  [The Commercial Products of the Vegetable Kingdom Considered in Their Various Uses to Man and in Their Relation to the Arts and Manufactures; Forming a Practical Treatise & Handbook of Reference for the Colonist, Manufacturer, Merchant, and Consumer, on the Cultivation, Preparation for Shipment, and Commercial Value, &c. of the Various Substances Obtained From Trees and Plants, Entering into the Husbandry of Tropical and Sub-tropical Regions, &c.] Reference

Frequently Marigold stigmata are cheaply used for adulterating the true Saffron.    From Wordnik.com.  [Herbal Simples Approved for Modern Uses of Cure] Reference

Not almost, I can definitely see adulterating food for a chance at a deep pocket.    From Wordnik.com.  [The Volokh Conspiracy » A Poster Child Case for the Contributory (or at least Comparative) Negligence Rule?:] Reference

The preparation consists in chopping fine the tea and adulterating leaves and twigs.    From Wordnik.com.  [A Wayfarer in China Impressions of a trip across West China and Mongolia] Reference

Some blame Glaxo for somehow adulterating resveratrol when they turned it into a drug.    From Wordnik.com.  [Arlene Weintraub: Drug Trial Raises Doubts About Resveratrol's Anti-Aging Powers] Reference

And adulterating issues that should be of equal importance don't help your cause either.    From Wordnik.com.  [Archive 2006-12-01] Reference

Answer: One reason for not mixing or adulterating practices is to show respect for lineage and tradition.    From Wordnik.com.  [Introductory Comparison of the Five Tibetan Traditions of Buddhism and Bon] Reference

Mylesh had been sentenced to five years in the gravel quarries for adulterating spirits in a tavern he owned.    From Wordnik.com.  [Soarer's Choice]

This oil is consumed on the Continent in considerable quantity, and employed extensively in adulterating olive oil.    From Wordnik.com.  [The Mirror of Literature, Amusement, and Instruction Volume 19, No. 529, January 14, 1832] Reference

Victorious bar owners eke out the rocket fuel of choice, by adulterating it with ersatz vodka from Stuttgart and Munich.    From Wordnik.com.  [E (novel extract)] Reference

And by adulterating it with Japanese sake, using red wine instead of white wine, and beef stock instead of chicken stock.    From Wordnik.com.  [February 2003] Reference

"The opportunity and the effectiveness of adulterating the grain at this level is very low," says general manager Joe Needham.    From Wordnik.com.  [Food Supplies] Reference

Where crystallinity is a disadvantage, jojoba wax can easily be made amorphous by adulterating it with small amounts of other waxes.    From Wordnik.com.  [4 Jojoba Oil] Reference

Now we return to the first line of the verse, Without adulterating with meditation that strives with (thoughts) intellectually derived.    From Wordnik.com.  [Commentary on An Aspiration Prayer for the Definitive Meaning of Mahamudra ��� 3 Meditation Practice] Reference

My point is that adulterating food with the intent to cause harm--no matter how justified you believe it is--is a serious criminal act.    From Wordnik.com.  [How To Handle Kitchen Thieves | Lifehacker Australia] Reference

The Senate version of the bill, expected to come to a vote within a day or so, contains an adulterating substance: The Nelson-Burr Amendment.    From Wordnik.com.  [Anya Kamenetz: Stop $3 Billion in Corporate Givebacks!] Reference

Indeed, the very fact that they were so quick to focus in on melamine as the adulterating agent suggests they at least suspected what they were facing.    From Wordnik.com.  [David Goldstein: Melamine-Spiking "Widespread" In China; Human Food Broadly Contaminated] Reference

Sauk den Rate, a 36-year-old trader who lives in Bantaeng, says his own neighbors accused him of adulterating seaweed to bulk up his profits when prices soared.    From Wordnik.com.  [Indonesia Got Soaked When] Reference

Some are talking about that adulterating the league, which of course it does.    From Wordnik.com.  [Blogposts | guardian.co.uk] Reference

They are convicted of mail fraud and adulterating a drug while held for sale.    From Wordnik.com.  [- Latest Popular Stories, Instablogs Community] Reference

Spurius Mælius was whipped for adulterating flour, and that Spurius Cassius was hanged for passing bad money.    From Wordnik.com.  [A Budget of Paradoxes, Volume II (of II)] Reference

Bentham was substantially the author, though the Mills seem to have suspected Bowring of adulterating the true doctrine.    From Wordnik.com.  [The English Utilitarians, Volume I.] Reference

I have left strychnine out of the list, as some persons have doubts about this poison ever being used in adulterating liquors.    From Wordnik.com.  [The Humbugs of the World An Account of Humbugs, Delusions, Impositions, Quackeries, Deceits and Deceivers Generally, in All Ages] Reference