diplo-

1.
a combining form meaning “double,” “in pairs,” used in the formation of compound words:
diplococcus.
Also, especially before a vowel, dipl-.
Origin
< Greek, combining form of diplóos twofold
British Dictionary definitions for diplo-

diplo-

combining form
1.
double: diplococcus
Word Origin
from Greek, from diploos, from di-1 + -ploos -fold
diplo- in Medicine

diplo- or dipl-
pref.

  1. Double: diplococcus.

  2. Having double the basic number of chromosomes; diploid: diplont.