Term: astatine: a highly unstable radioactive element (the heaviest of the halogen series); a decay product of uranium and thorium
Broader: halogen: any of five related nonmetallic elements (fluorine or chlorine or bromine or iodine or astatine) that are all monovalent and readily form negative ions | Unrelated: wayfaring tree: vigorous deciduous European treelike shrub common along waysides; red berries turn black
Broader: halogen: any of five related nonmetallic elements (fluorine or chlorine or bromine or iodine or astatine) that are all monovalent and readily form negative ions | Unrelated: collaboration: act of cooperating traitorously with an enemy that is occupying your country
Broader: halogen: any of five related nonmetallic elements (fluorine or chlorine or bromine or iodine or astatine) that are all monovalent and readily form negative ions | Unrelated: mistranslation: an incorrect translation
Broader: halogen: any of five related nonmetallic elements (fluorine or chlorine or bromine or iodine or astatine) that are all monovalent and readily form negative ions | Unrelated: decay: the spontaneous disintegration of a radioactive substance along with the emission of ionizing radiation
Broader: halogen: any of five related nonmetallic elements (fluorine or chlorine or bromine or iodine or astatine) that are all monovalent and readily form negative ions | Unrelated: chimaera: a deep-sea fish with a tapering body, smooth skin, and long threadlike tail
Broader: halogen: any of five related nonmetallic elements (fluorine or chlorine or bromine or iodine or astatine) that are all monovalent and readily form negative ions | Unrelated: devices: an inclination or desire; used in the plural in the phrase `left to your own devices'
Broader: halogen: any of five related nonmetallic elements (fluorine or chlorine or bromine or iodine or astatine) that are all monovalent and readily form negative ions | Unrelated: elimination: the act of removing an unknown mathematical quantity by combining equations
Broader: halogen: any of five related nonmetallic elements (fluorine or chlorine or bromine or iodine or astatine) that are all monovalent and readily form negative ions | Unrelated: acroanesthesia: loss of sensation in the extremities
Broader: halogen: any of five related nonmetallic elements (fluorine or chlorine or bromine or iodine or astatine) that are all monovalent and readily form negative ions | Unrelated: peramelidae: bandicoots
Broader: halogen: any of five related nonmetallic elements (fluorine or chlorine or bromine or iodine or astatine) that are all monovalent and readily form negative ions | Unrelated: phatic speech: conversational speech used to communicate sociability more than information