air attritus badness bran contamination cosmic dust crumb crumble dust dust ball efflorescence fallout farina filings flour grits groats harmfulness health hazard injuriousness insalubriousness insalubrity kittens lint meal menace to health noise pollution noisomeness noxiousness pathenogenicity pollution powder pussies raspings sawdust smut soot unhealthfulness unhealthiness unsalutariness unwholesomeness water