痱子粉 fèizifěn prickly-heat powder Origin Definitions Defs Strokes Stroke Words Sentences Sents 痱子 fèizi prickly heat Small red bumps or itchy rash that appear on the skin during hot and humid weather, often caused by blocked sweat glands; sweat rash or heat rash.粉 fěn noun powder powder; dust; finely ground substance such as flour or medicinal powder