[{"Bold_text": "adjective", "List Items": ["of or relating to air, gases, or wind.", "of or relating to pneumatics .", "operated by air or by the pressure or exhaustion of air:a pneumatic drill.", "filled with or containing compressed air, as a tire.", "equipped with pneumatic tires.", "Theology.of or relating to the spirit; spiritual.", "Zoology.containing air or air cavities."]}, {"Bold_text": "noun", "List Items": ["a pneumatic tire.", "a vehicle having wheels with such tires."]}]