雌性激素 cíxìngjīsù estrogen Origin Definitions Defs Strokes Stroke Words Sentences Sents 雌性 cíxìng noun female The biological sex that produces egg cells, used for animals and plants; opposite of 雄性 xióngxìng激素 jīsù noun hormone hormone; a substance produced in an organism that regulates physiological activities such as metabolism and growth