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Thesaurus: atomic number 77
a heavy brittle metallic element of the platinum group; used in alloys; occurs in natural alloys with platinum or osmium
Related headwords
alloysdefinitionplatinumdefinitionbrittledefinitionelementdefinitiongroupdefinitionheavydefinitionmetallicdefinitionnaturaldefinitionoccursdefinitionosmiumdefinitionatomicfamilyatomic bombfamilyatomic clockfamilyatomic cocktailfamilyatomic energyfamilyAtomic Energy Commissionfamilyatomic explosionfamilyatomic massfamilyatomic mass unitfamilyatomic numberfamilyatomic number 1familyatomic number 10familyatomic number 100familyatomic number 101familyatomic number 102familyatomic number 103familyatomic number 104familyatomic number 105family