incidentallya linking word meaning 'by the way; as a side remark'The study focused on urban migration; incidentally, it also uncovered data about rural health disparities.NoteThe study focused on urban migration; incidentally, it also uncovered data about rural health disparities.Elon.io is an online learning platformWe have an entire course teaching TOEFL Academic Vocabulary grammar and vocabulary.Start learning TOEFL Academic Vocabulary now