transsexualismn.
træns'sɛksjʊʃʊəlɪzəm
中文n. 易性症；改变性别；异性认同癖
词根词源
transsexualism (n.)"intense desire to change one\\'s sexual status, including the anatomical structure," 1953, coined by U.S. physician Harry Benjamin (1885-1986) from trans- + sexual. Transsexuality is recorded from 1941, but was used at first to mean "homosexuality" or "bisexuality." In the current sense from 1955.
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