英 [ˌeɪsekʃʊˈæləti] 美 [eɪˌsekʃuˈæləti]
n. 无性；无性别；性冷淡；无性恋
having no evident sex or sex organs
同义词： sexlessness
无性生殖的
无性的，无生殖器官的
性欲缺乏
This asexuality seems to have arisen only once, yet biology recognises about 380 species of bdelloid.
They have found a species of crayfish that follows the logic of asexuality and does, indeed, clone itself.