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Related to CN (disambiguation): Canadian National Railway


ordinary tear gastear gas,
gas that causes temporary blindness through the excessive flow of tears resulting from irritation of the eyes. The gas is used in chemical warfare and as a means for dispersing mobs.
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. The chemical name for CN is chloroacetophenone.


symbol for the element coperniciumcopernicium,
artificially produced radioactive chemical element; symbol Cn; at. no. 112; mass number of most stable isotope 285; m.p., b.p., sp. gr., and valence unknown.
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The country code for China.


(Carbon Nanotube) See nanotube.