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Thesaurus: atomic number 40
a lustrous grey strong metallic element resembling titanium; it is used in nuclear reactors as a neutron absorber; it occurs in baddeleyite but is obtained chiefly from zircon
Related headwords
absorberdefinitionbaddeleyitedefinitionchieflydefinitionelementdefinitiongreydefinitionlustrousdefinitionmetallicdefinitionneutrondefinitionnucleardefinitionobtaineddefinitionoccursdefinitionreactorsdefinitionresemblingdefinitionstrongdefinitiontitaniumdefinitionzircondefinitionatomicfamilyatomic bombfamilyatomic clockfamilyatomic cocktailfamilyatomic energyfamilyAtomic Energy Commissionfamilyatomic explosionfamilyatomic massfamilyatomic mass unitfamilyatomic numberfamilyatomic number 1familyatomic number 10family