[{"Bold_text": "adjective", "List Items": ["Alsoco·ax·al[]having a common axis or coincident axes.", "Geometry.(of a set of circles) having the property that each pair of circles has the same radical axis.(of planes) intersecting in a straight line.", "(of a set of circles) having the property that each pair of circles has the same radical axis.", "(of planes) intersecting in a straight line.", "(of a loudspeaker) having two or more cones with their centers mounted on the same axis."]}]