About: toxic heavy metal

Premodifier: toxic heavy
Head noun: metal

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

Broader concepts

label	provenance	confidence
waste product	isap:226904108	0.736445
pollutant	isap:335329541	0.624593
metal	isap:371382726	0.622797
impurity	isap:296466560	0.575046
waste	isap:367725960	0.517487
anything	isap:294319986	0.359775

Narrower concepts

label	provenance	confidence
arsenic	isap:37730810	0.826441
aluminum	isap:363606132	0.820298
lead	isap:85233330	0.805506
selenium	isap:360883477	0.795366
radioactive uranium	isap:32930891	0.786772
mercury	isap:38022258	0.697699
deplete uranium	isap:32930870	0.636121
copper	isap:122776878	0.633570
zinc	isap:94709235	0.593677
cadmium	isap:31201487	0.573699
uranium	isap:32930863	0.521892
vanadium	isap:362212901	0.489667
barium	isap:115903731	0.486909
chromium	isap:360924523	0.446621
nickel	isap:122765789	0.444285
pcb	isap:468944931	0.426790
silver	isap:114840556	0.388809
pb	isap:465323341	0.353886
bismuth	isap:37806680	0.345014
iron	isap:92215212	0.343975
cd	isap:465406096	0.338990
du	isap:463976954	0.299238