Search Result for "dizygotic twin":
Wordnet 3.0

NOUN (1)

1. either of two twins who developed from two separate fertilized eggs;
[syn: fraternal twin, dizygotic twin]



WordNet (r) 3.0 (2006):

dizygotic twin
    n 1: either of two twins who developed from two separate
         fertilized eggs [syn: fraternal twin, dizygotic twin]