Erayga "daawaha pyrophoric" waxa loola jeedaa daawaha ama isku dhafka biraha leh hantida ah in si iskiis ah u guban marka ay la kulmaan hawada ama ogsijiinta. Erayga "pyrophoric" wuxuu ka yimid ereyada Giriigga "pyro" oo macneheedu yahay dab iyo "phoros" oo macneheedu yahay qaadista, taas oo muujinaysa awoodda uu u leeyahay inuu qaado ama dhalin karo dab. Alwaaxyada Pyrophoric waxay si aad ah uga falceliyaan ogsijiinta, waxayna ku shidi karaan ama ku qabsan karaan dab heerkulka qolka ama ka hooseeya iyada oo aan loo baahnayn ilo dibadda ah. Biraha dhulka naadirka ah qaarkood, oo lagu daray walxo kale sida birta, aluminium, ama chromium. Qaabka saxda ah ee Alloys-ka pyrophoric way kala duwanaan karaan iyadoo ku xidhan codsiyada loogu talagalay. Inta badan waxaa loo adeegsadaa habab kala duwan oo warshadeed, sida kiimikaad abuurka, kicinta, iyo pyrotechnics, halkaas oo dabeecadooda aadka u firfircooni ay faa'iido u yeelan karto.