突とっ発ぱつ性せい発ほっ疹しんMeaningsNoun1. roseola; exanthem subitum; roseola infantum; sixth disease; three-day feverOther readings突とっ発ぱつ性せい発はっ疹しんKanji used突thrust発let out性nature (of a person)疹skin rashComposed of突とっ発ぱつoutbreak; occurrenceNoun性せいnature (of a person); sex; gender; sex (i.e. sexual attraction, activity, etc.); -ty; -ity; -ness; -cyNoun発ほっ疹しんrash; eruptionNoun