Definitions

1. adjective

relating to or consisting of two ova that are released at the same time and are fertilized at the same time, resulting in the development of two separate embryos

“The twins were dizygotic, meaning they developed from separate eggs rather than being identical twins.”

2. noun

a dizygotic twin, especially a twin that is the result of the fertilization of two separate ova

“The dizygotic twins were born on the same day, but they looked very different from each other.”