monospermic
/ˌmɒnə(ʊ)ˈspəːmɪk/adjective
Biology. Of the nature of, relating to, or arising by monospermy; (of an ovum) penetrated or fertilized by only one sperm.
Origin
Late 19th century (in an earlier sense). From mono- + sperm + -ic, in sense 1 probably after French monospermique or scientific Latin monospermicus.