[{"Bold_text": "adjective", "List Items": ["recurring at intervals of time:periodic revivals of an interest in handicrafts.", "occurring or appearing at regular intervals:periodic visits by doctors to the village.", "repeated at irregular intervals; intermittent :periodic outbreaks of the disease.", "Physics.recurring at equal intervals of time.", "Mathematics.(of a function) having a graph that repeats after a fixed intervalperiodof the independent variable independent variable.", "Astronomy.characterized by a series of successive circuits or revolutions, as the motion of a planet or satellite.of or relating to a period, as of the revolution of a heavenly body.", "characterized by a series of successive circuits or revolutions, as the motion of a planet or satellite.", "of or relating to a period, as of the revolution of a heavenly body.", "pertaining to or characterized by rhetorical periods, or periodic sentences periodic sentences."]}, {"Bold_text": "adjective", "List Items": ["of or derived from a periodic acid periodic acid."]}]