dizygotic twin

noun
🔊/ˌdaɪzaɪˌɡɒtɪk ˈtwɪn/
🔊/ˌdaɪzaɪˌɡɑːtɪk ˈtwɪn/
(also dizygous twin
🔊/daɪˌzaɪɡəs ˈtwɪn/
🔊/daɪˌzaɪɡəs ˈtwɪn/
)
(specialist)
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  1. a fraternal twin (= either of two children or animals born from the same mother at the same time but not from the same egg) compare monozygotic twin