Definition of savior sibling in English:

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savior sibling

Pronunciation: /ˈsāvyər ˌsibliNG/

noun

A child conceived through selective in vitro fertilization as a potential source of donor organs or cells for an existing brother or sister with a life-threatening medical condition.
Example sentences
  • Adam was the first ever "saviour sibling", created to help save his sister's life.
  • They were hoping to help their daughter with a saviour sibling.
  • As the saviour sibling will almost certainly be required to donate at a young age, there are also concerns at the inability to give informed consent.

For editors and proofreaders

Syllabification: sav·ior sib·ling

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