roseola

(ro-ze'o-lah) [L. dim. of rose us, rosy.] Roserash, scarlet-rash macular erythema; a symmetrical eruption of small closely aggregated patches of reddish color, epidem'ic c, rubella. idiopath'ic r., r. not occurring as a symptom of a recognized general disease, symptom at'ic i., a rash symptomatic of typhoid fever, measles, or other eruptive fever, syphilit'ic r., syphilide; usually the first eruption of syphilis, occurring in from 6 to 12 weeks after the initial lesion.