Definition of fraternal twin in US English:

fraternal twin


  • Either of a pair of twins who, as a result of developing from separate fertilized ova, are genetically distinct and not necessarily of the same sex or more similar in appearance than other siblings.

    ‘Candy and Jeff are fraternal twins’
    • ‘There are two children of the marriage, fraternal twin girls - Lilly and Edie.’
    • ‘Identical twins were more likely to have similar eating habits than fraternal twins.’
    • ‘If a woman has already had fraternal twins, chances of her having another set is four times higher than for a woman who hasn't had twins.’
    • ‘Kaitlyn and I are fraternal twin sisters, with fraternal as the be-all and end-all of that statement.’
    • ‘Ordinary siblings and fraternal twins have only 50 percent of their genes in common.’
    • ‘While her mother worked, Michelle ran the household with her fraternal twin, Kevin, and her older brother, Darrell.’
    • ‘Nine months later she gave birth to fraternal twins.’
    • ‘He has a fraternal twin, Alan, a physicist who lives on the West Coast.’
    • ‘If they are fraternal, then theirs would be the first known natural single-placenta birth of fraternal twins in medical history.’
    • ‘Colin, Sara's fraternal twin brother, looked exactly like Sara: blonde hair, and those mysterious violet eyes.’