三日疹 sānrìzhěn rubella Origin Definitions Defs Strokes Stroke Words Sentences Sents 三 sān numeral three the number three; 3日 rì nounadverb day a 24-hour period; the time it takes for the earth to rotate once on its axis疹 zhěn noun rash (bound form) skin rash; measles; small red bumps on the skin caused by inflammation or allergies