periodic UK /ˌpɪɹiˈɒdɪk/US /ˌpɪɹiˈɑdɪk/adjective 7/ˌpɜːɹaɪˈɒdɪk/ adjective 1 adjective7 •Having repeated cycles. •Occurring at regular intervals. •Periodical. •For which any return to it must occur in multiples of k time steps, for some k>1. •Relative to a period or periods. •Pertaining to the revolution of a celestial object in its orbit. •(rhetoric) Having a structure characterized by periodic sentences. periodic /ˌpɜːɹaɪˈɒdɪk/ adjective1 •Relating to the highest oxidation state of iodine; of or derived from a periodic acid.
