N-UNCOUNT [usually NOUN n]激素替代治疗（缩略形式为HRT） If a woman has hormone replacement therapy, she takes the hormone oestrogen, usually in order to control the symptoms of the menopause. The abbreviation HRT is often used. 激素替代治疗（缩略形式为HRT）
She has been on hormone replacement therapy for four years and looks fantastic.