impurity

[ im-pyoor-i-tee ]
/ ɪmˈpyʊər ɪ ti /

noun, plural im·pu·ri·ties for 2.

the quality or state of being impure.
Often impurities. something that is or makes impure: After the flood the authorities warned against impurities in the drinking water.

Origin of impurity

1400–50; late Middle English impurite < Latin impūritās. See impure, -ity
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for impurity

British Dictionary definitions for impurity

impurity

/ (ɪmˈpjʊərɪtɪ) /

noun plural -ties

the quality of being impure
an impure thing, constituent, or elementimpurities in the water
electronics a small quantity of an element added to a pure semiconductor crystal to control its electrical conductivitySee also acceptor (def. 2), donor (def. 5)
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012