A a


    • US Pronunciation
    • US IPA
    • [am-nee-oh-sen-tee-sis]
    • /ˌæm ni oʊ sɛnˈti sɪs/
    • US Pronunciation
    • US IPA
    • [am-nee-oh-sen-tee-sis]
    • /ˌæm ni oʊ sɛnˈti sɪs/

Definitions of amniocentesis word

  • uncountable noun amniocentesis If a pregnant woman has an amniocentesis, fluid is removed from her womb in order to check that her unborn baby is not affected by certain genetic disorders. 3
  • noun amniocentesis removal of some amniotic fluid by the insertion into the womb of a hollow needle, for therapeutic or diagnostic purposes 3
  • noun amniocentesis the surgical procedure of inserting a hollow needle through the abdominal wall into the uterus of a pregnant woman and extracting amniotic fluid, which may be analyzed to determine the sex of the developing fetus or the presence of disease, genetic defects, etc. 3
  • noun plural amniocentesis a surgical procedure for obtaining a sample of amniotic fluid from the amniotic sac in the uterus of a pregnant woman by inserting a hollow needle through the abdominal wall, used in diagnosing certain genetic defects or possible obstetric complications. 1
  • noun amniocentesis The sampling of amniotic fluid using a hollow needle inserted into the uterus, to screen for developmental abnormalities in a fetus. 1
  • noun amniocentesis surgical withdrawal of amniotic fluid 1

Information block about the term

Origin of amniocentesis

First appearance:

before 1955
One of the 4% newest English words
1955-60; amnio- (as combining form of amnion) + centesis

Historical Comparancy

Parts of speech for Amniocentesis


amniocentesis popularity

A pretty common term. Usually people know it’s meaning, but prefer to use a more spread out synonym. About 68% of English native speakers know the meaning and use word.
This word is included in each student's vocabulary. Most likely there is at least one movie with this word in the title.

amniocentesis usage trend in Literature

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See also

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