cotwin
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English[edit]
Alternative forms[edit]
Etymology[edit]
Noun[edit]
cotwin (plural cotwins)
- A twin's twin.
- 2013, Issues in Clinical Psychology, Psychiatry, and Counseling:
- In contrast, if a psychopathologic feature is acquired as a result of an environmental factor unique to the exposed twin, eg, the traumatic event, their cotwins should not have an increased incidence of the feature.