periodic

== English == === Etymology 1 === From French périodique, from Medieval Latin periodicus (“cyclical”), from Latin periodus (“complete sentence, period, circuit”), from Ancient Greek περίοδος (períodos, “cycle, period of time”). By surface analysis, period +‎ -ic. ==== Pronunciation ==== (Received Pronunciation) IPA(key): /ˌpɪɹiˈɒdɪk/, /ˌpɪə-/ (General American) IPA(key): /ˌpɪɹiˈɑdɪk/ Rhymes: -ɒdɪk Hyphenation: pe‧ri‧od‧ic ==== Adjective ==== periodic (not comparable) Relative to a period or periods. Having repeated cycles. Synonym: cyclic Occurring at regular intervals. Synonyms: cyclic; see also Thesaurus:periodic Periodical. (astronomy) Pertaining to the revolution of a celestial object in its orbit. Antonym: non-periodic (mathematics, stochastic processes, of a state) For which any return to it must occur in multiples of k {\displaystyle k} time steps, for some k > 1 {\displaystyle k>1} . Antonym: aperiodic (rhetoric) Having a structure characterized by periodic sentences. ===== Derived terms ===== ===== Related terms ===== ===== Translations ===== === Etymology 2 === From per- + iodic. ==== Pronunciation ==== enPR: "pûrīŏd'ĭk, IPA(key): /ˌpɜːɹaɪˈɒdɪk/ ==== Adjective ==== periodic (not comparable) Relating to the highest oxidation state of iodine; of or derived from a periodic acid. ===== Derived terms ===== === Anagrams === poricide == Ladin == === Adjective === periodic m pl plural of periodich == Romanian == === Etymology === Borrowed from Latin periodicus or Ancient Greek περιοδικός (periodikós) or French périodique. By surface analysis, period +‎ -ic. === Adjective === periodic m or n (feminine singular periodică, masculine plural periodici, feminine/neuter plural periodice) periodic ==== Declension ====