About: hydrofluoric acid

Premodifier: hydrofluoric
Head noun: acid

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

Broader concepts

label	provenance	confidence
strong acid	isap:170897017	0.854081
hydrofluoric acid base etchant	isap:170897562	0.851293
corrosive material	isap:455953867	0.822168
toxic chemical	isap:455762481	0.812565
corrosive acid	isap:170897415	0.790222
chemical	isap:455762484	0.783743
various acid	isap:170897627	0.782379
inorganic acid	isap:170897060	0.780961
suitable acid	isap:170897873	0.761720
acid gas	isap:127552710	0.758492
aggressive chemical	isap:455762687	0.754309
hydrofluoric acid	isap:170897314	0.750366
etching solution	isap:455912830	0.744658
corrosive chemical	isap:455762536	0.727603
acid	isap:170896723	0.726936
suitable etchant	isap:8539573	0.698484
fluorine compound	isap:460614521	0.695467
aqueous solution	isap:455912916	0.670439
mineral acid	isap:170897117	0.670116
liquid	isap:308966532	0.642580
substance	isap:290089969	0.640713
dangerous chemical	isap:455762654	0.635500
hazardous material	isap:455953846	0.629836
chemical attack	isap:308284738	0.624802
selective etchant	isap:8539574	0.624161
hazardous substance	isap:290090126	0.620290
isotropic etchant	isap:8539589	0.616992
toxic gas	isap:127552708	0.607393
solution of hydrogen fluoride	isap:455912864	0.601793
chemical liquid	isap:308966560	0.595538
additive	isap:460337766	0.554887
material	isap:455953739	0.536371
alkali	isap:308361990	0.512445
embodiment	isap:188488845	0.488268
fluid	isap:86431685	0.479234
strong chemical	isap:455762707	0.438461
process	isap:9731765	0.428891
basis	isap:87454616	0.423466
glass	isap:86226485	0.421650
etchant	isap:8539572	0.420909
corrosive liquid	isap:308966551	0.415948
example	isap:11057112	0.402947
salt	isap:169050703	0.402291
water	isap:94587833	0.376082
poison	isap:302500810	0.367538
solution	isap:455912813	0.354868

Narrower concepts

label	provenance	confidence
hydrofluoric acid	isap:170897314	0.750366