- haploid (adj.)
[haploid 词源字典]
- "having a single set of unpaired chromosomes," 1908, from German haploid (Strasburger, 1905), from Greek haploos "single, simple" (see haplo-) + -ploid, from comb. form of ploos "fold" (see fold (v.)) + -oid.[haploid etymology, haploid origin, 英语词源]