to strongly fix an idea, feeling, attitude etc in someone's mind or character
implant something in something
A deep sense of patriotism had been implanted in him by his father.
to put something into someone's body by performing a medical operation:
Surgeons successfully implanted an artificial hip.
implant something in/into something
A donor egg fertilised by her husband's sperm will be implanted in her womb.
3 [intransitive] medical
if an egg or embryo implants, it begins to develop normally:
The fertilized egg implants and becomes a foetus.
—implantation noun [uncountable]