implantation

 
Pronunciation: /ɪmplɑːnˈteɪʃn/

noun

[mass noun]
  • the action of implanting or state of being implanted: the implantation of alien or artificial hearts [count noun]: hormone implantations
  • Zoology & Medicine (in a mammal) the attachment of the fertilized egg or blastocyst to the wall of the womb at the start of pregnancy. Also called nidation.

Origin:

late 16th century: from French, from implanter 'to implant'