mono·zyg·ot·ic twinBrE /ˌmɒnəʊzaɪˈɡɒtɪk twɪn/ 🔊NAmE /ˌmɑːnoʊzaɪˈɡɑːtɪk twɪn/ 🔊 (also mono·zyg·ous twin BrE /ˌmɒnəʊˈzaɪɡəs twɪn/ 🔊 NAmE /ˌmɑːnoʊˈzaɪɡəs twɪn/ 🔊) noun (specialist) = identical twin ➡ compare dizygotic twin