Sentence Examples with the word contaminate

They also contaminate clothing, which thus becomes another means of dissemination capable of acting at a distance.

Among this Semitic folk is to be observed a great variety of immigrant stocks, settled in isolated patches, which have done much to contaminate the masses about them.

It follows, therefore, except for mechanical losses, that one charge of cryolite lasts indefinitely, that the sodium and other impurities in it are not liable to contaminate the product, and that only the alumina itself need be carefully purified.