implantation

noun

im·​plan·​ta·​tion ˌim-ˌplan-ˈtā-shən 

1

a

: the act or process of implanting something

b

: the state resulting from being implanted

2

in placental mammals : the process of attachment of the early embryo to the maternal uterine wall

Examples of implantation in a Sentence

Recent Examples on the Web

The team then starts another long, delicate task: preparing the pig kidneys for implantation. —Rob Stein, NPR, 17 Dec. 2024

If implantation doesn't occur, estrogen and progesterone levels drop to prepare for the uterine lining to shed, starting your period and restarting the menstrual cycle. —Carley Millhone, Health, 13 Dec. 2024

Spotting that occurs halfway through the two-week wait is sometimes attributed to what's known as implantation spotting. —Rachel Gurevich, Parents, 30 July 2024

Ovulation tests detect the LH surge to predict ovulation, while pregnancy tests measure hCG levels, a hormone produced after implantation, says Dr. Casavant. —Christin Perry, Parents, 27 Nov. 2024

Word History

First Known Use

1578, in the meaning defined at sense 1a

Kids Definition

implantation

noun

im·​plan·​ta·​tion ˌim-ˌplan-ˈtā-shən 

1

: the act of implanting something

2

: the process of becoming implanted or the resulting state

Medical Definition

implantation

noun

im·​plan·​ta·​tion ˌim-ˌplan-ˈtā-shən 

: the act or process of implanting or the state of being implanted: as

a

: the placement of a natural or artificial tooth in an artificially prepared socket in the jawbone

b

in placental mammals : the process of attachment of the embryo to the maternal uterine wall

called also nidation

c

: medical treatment by the insertion of an implant