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Thesaurus: atomic number 81
a soft grey malleable metallic element that resembles tin but discolors on exposure to air; it is highly toxic and is used in rodent and insect poisons; occurs in zinc blende and some iron ores
Related headwords
airdefinitionblendedefinitiondiscolorsdefinitionelementdefinitionexposuredefinitiongreydefinitionhighlydefinitioninsectdefinitionirondefinitionmalleabledefinitionmetallicdefinitionoccursdefinitionoresdefinitionpoisonsdefinitionresemblesdefinitionrodentdefinitionsoftdefinitiontindefinitiontoxicdefinitionzincdefinitionatomicfamilyatomic bombfamilyatomic clockfamilyatomic cocktailfamilyatomic energyfamilyAtomic Energy Commissionfamilyatomic explosionfamilyatomic massfamily