chorionic

adjective

cho·​ri·​on·​ic ˌkȯr-ē-ˈä-nik How to pronounce chorionic (audio)
1
: of, relating to, or being part of the chorion
chorionic villi
2
: secreted or produced by chorionic or related tissue (as in the placenta or a choriocarcinoma)

Examples of chorionic in a Sentence

Recent Examples on the Web The authors confirmed the pregnancies with ultrasound and also detected the hormones progesterone and chorionic gonadotropin, which arise during pregnancy. Jennifer Ouellette, Ars Technica, 7 Apr. 2023 By the end of the first trimester, the arteries open into the spaces between the chorionic villi, delivering the large quantities of maternal blood (and thus nutrients and oxygen) required for the offspring's growth. Adrian Erlebacher, Scientific American, 1 Oct. 2017 View Sample Sign Up Now Noise also seems to be a driving factor in oxidative stress and metabolic abnormalities, the authors say, which could contribute to other chorionic diseases like diabetes. Amanda MacMillan, Time, 6 Feb. 2018 In the 1960s, scientists developed chemical tests that searched directly for human chorionic gonadotropin (hCG)—the tell-tale hormone that the frogs were reacting to. Ed Yong, The Atlantic, 4 May 2017 One possible entry point involves structures called chorionic villi, which anchor the placenta into the wall of the uterus during the first trimester. Pam Belluck, New York Times, 18 July 2016

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'chorionic.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

First Known Use

1892, in the meaning defined at sense 1

Time Traveler
The first known use of chorionic was in 1892

Dictionary Entries Near chorionic

Cite this Entry

“Chorionic.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/chorionic. Accessed 16 Apr. 2024.

Medical Definition

chorionic

adjective
cho·​ri·​on·​ic ˌkōr-ē-ˈän-ik, ˌkȯr- How to pronounce chorionic (audio)
1
: of, relating to, or being part of the chorion
chorionic villi
2
: secreted or produced by chorionic or a related tissue (as in the placenta or a choriocarcinoma)
chorionic hormones
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