[{"Bold_text": "adjective", "List Items": ["of or relating to an orbit ."]}, {"Bold_text": "noun", "List Items": ["Physics, Chemistry.a wave function describing the state of a single electron in an atomatomic orbitalor in a moleculemolecular orbital.the electron in that state.", "a wave function describing the state of a single electron in an atomatomic orbitalor in a moleculemolecular orbital.", "the electron in that state."]}]