Definition of implantation in English:

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Pronunciation: /ˌimplanˈtāSH(ə)n/


1The action of implanting or state of being implanted.
Example sentences
  • Whether these alien chip implantations are part of another government project or are actually implanted by aliens is a whole discussion in itself.
  • Worldwide there have so far been only some 50 implantations for OCD and 15 for depression, but the technology suggests a not-too-distant future when options other than drugs may be available to sufferers of serious mental illness.
  • He suggested that I have knee implantations, but I'm not sure if I want to go that route.
1.1 Zoology & Medicine (In a mammal) the attachment of the fertilized egg or blastocyst to the wall of the uterus at the start of pregnancy, often delayed in some mammals by several months. Also called nidation.
Example sentences
  • Gestation lasts two months, but the young may be born up to a year after mating because these otters employ delayed implantation of the fertilized egg in the uterus.
  • The term referred to the embryo before its implantation in the womb.
  • If fertilization occurs, progesterone supports implantation of the ovum and maintains the pregnancy.


Late 16th century: from French, from implanter 'to implant'.

For editors and proofreaders

Syllabification: im·plan·ta·tion

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