diploid

1. Double or twofold.
2. Genetics. Having a pair of each type of chromosome, so that the basic chromosome number is doubled: diploid somatic cells.

[Greek diplous, double + -OID.]

1. having a pair of each chromosome characteristic of a species, i.e. genomes in which chromosomes occur in pairs.
2. a diploid individual or cell.

• human d. cell vaccine — see human diploid cell vaccine.
• d. karyotype — a karyotype consisting of chromosomes in pairs.