Impurities



[im-pyoo r-i-tee] /ɪmˈpyʊər ɪ ti/

noun, plural impurities for 2.
1.
the quality or state of being .
2.
Often, impurities. something that is or makes :
After the flood the authorities warned against impurities in the drinking water.
/ɪmˈpjʊərɪtɪ/
noun (pl) -ties
1.
the quality of being impure
2.
an impure thing, constituent, or element: impurities in the water
3.
(electronics) a small quantity of an element added to a pure semiconductor crystal to control its electrical conductivity See also acceptor (sense 2), donor (sense 5)
n.

mid-15c., “thing which makes or is impure;” c.1500, “fact or quality of being impure,” from Middle French impurité, from impur (see impure). Related: Impurities.

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