About: poisonous gas

Premodifier: poisonous
Head noun: gas

Same concepts
http://dbpedia.org/resource/Chemical_warfare

Broader concepts

label	provenance	confidence
toxic chemical	isap:329940234	0.712210
dangerous material	isap:329347966	0.711952
hazardous material	isap:329347914	0.692383
chemical weapon	isap:215071183	0.690063
chemical	isap:329940249	0.530970
something	isap:262488076	0.348036

Narrower concepts

label	provenance	confidence
hydrogen cyanide	isap:508766217	0.816957
carbon monoxide	isap:350467878	0.805209
carbon dioxide	isap:511349400	0.746412
nitrogen dioxide	isap:511349492	0.734786
nitrogen oxide	isap:323101737	0.727662
sulfuric acid	isap:127552697	0.720766
sulfur dioxide	isap:511349494	0.701083
hydrogen sulfide	isap:509130900	0.695298
chlorine	isap:350092976	0.662844
mustard gas	isap:281611351	0.653333
sulphur dioxide	isap:511349658	0.595533
methane	isap:509575614	0.565373
co2	isap:279588495	0.482568
mercury	isap:510274665	0.457277
pesticide	isap:487267898	0.416056
carbon	isap:404695646	0.402819
propane	isap:508251263	0.394190
smoke	isap:325210186	0.372318
ammonia	isap:508071063	0.351592
benzene	isap:508563217	0.349688
oxygen	isap:403625958	0.340564
cyanogen	isap:349335114	0.328621
phosgene	isap:349735521	0.319750
monoxide	isap:350467918	0.311294
radon	isap:326348309	0.303884
co	isap:187311012	0.295909
hcn	isap:280795422	0.293628
h2	isap:187458635	0.284273
family	isap:405210681	0.257734
research	isap:350028473	0.211826
water	isap:323266235	0.154759
air	isap:281379763	0.138342