From Longman Dictionary of Contemporary Englishcyanidecy‧a‧nide /ˈsaɪənaɪd/ noun [uncountable] HCa very strong poison
Examples from the Corpus
cyanide• Arsenic and cyanide are completely natural, and they will kill you.• In May last year Aurul began mixing the toxic dust with water and cyanide.• The item states' Guests at a luxury hotel were poisoned by cyanide in the swimming pool yesterday.• Mr Spiro was found dead from cyanide poisoning in his truck three days after the November 6 massacre.• In fact, when scientifically tested, it has been shown to release dangerously high levels of cyanide into the bloodstream.• But the explosion burned up the sodium cyanide...• Death will come by lethal injection, rather than cyanide gas, since gassing has been challenged in California as unduly cruel.• I have a couple of friends who almost broke out the cyanide.Origin cyanide (1800-1900) cyanogen type of poisonous gas ((19-21 centuries)), from French cyanogène, from Greek kyanos ( → CYAN) 