発はつ情じょう周しゅう期きMeaningsNoun1. estrous cycleKanji used発let out情emotion周circumference期period (of time)Pitch accentはつじょうしゅうきComposed of発はつ情じょうsexual excitement; estrus; oestrus; rut; (coming into) heatNoun周しゅう期きcycle; periodNoun