Definition of “identical twin” - English Dictionary

british dictionary

“identical twin” in British English

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identical twinnoun [ C usually plural ]

uk /aɪˌden.tɪ.kəl ˈtwɪn/ us /aɪˌden.t̬ə.kəl ˈtwɪn/

Examples from literature

  • In the 1980s, studies were carried out on identical twins (born from the same egg) who had grown up with different families. 
  • Scientists study identical twins to learn about personality. 
  • Studies have been done on identical twins that were separated as babies and brought up in different environments. 

(Definition of “identical twin” from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)

“identical twin” in American English

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identical twinnoun [ C usually pl ]

us /ɑɪˈden·tɪ·kəl ˈtwɪn/

either of two people who came from the same egg, are the same sex, and look extremely similar

(Definition of “identical twin” from the Cambridge Academic Content Dictionary © Cambridge University Press)