implantation
n. C / U C1 Advanced US //ˌɪmpɫænˈteɪʃən// UK //ɪmplɑːntˈeɪʃən// im·plan·ta·tion
n. the process where something is placed firmly into a person's body, such as a medical device or a tiny egg starting a pregnancy.
n. the attachment of a fertilized egg to the uterine lining, or the surgical insertion of a device or tissue into the body.
The implantation of the heart valve was a success.
Successful implantation of the embryo usually occurs about a week after fertilization.
The surgeon monitored the patient closely to ensure there was no immune response following the implantation of the synthetic graft.
Borrowed from Middle French implantation.
Usage
Uncountable when referring to the biological process; countable when referring to specific medical procedures.