parthenogenesis
noun [ U ] biology specialized uk/ˌpɑː.θə.nəʊˈdʒen.ə.sɪs/ us/ˌpɑːr.θə.noʊˈdʒen.ə.sɪs/
单性生殖，孤雌生殖
a type of reproduction (= production of young plants or animals) in which living things develop from eggs that have not been fertilized (= united with the male sexual cells)