poly·​acryl·​amide ˌpä-lē-ə-ˈkri-lə-ˌmīd How to pronounce polyacrylamide (audio)
: a polyamide of acrylic acid

Examples of polyacrylamide in a Sentence

Recent Examples on the Web The other component, contact lens ingredient polyacrylamide, forms cross-links using covalent bonds, in which atoms connect by sharing electrons. Ashley P. Taylor, Discover Magazine, 7 Sep. 2012 But the gel holds together throughout the bounce thanks to the stronger covalent bonds of the polyacrylamide. Ashley P. Taylor, Discover Magazine, 7 Sep. 2012 The polyacrylamide gel, similar to what’s in baby diapers, is thicker and stickier than the typical retardant used in aerial firefighting tactics. Lila Seidman, Los Angeles Times, 11 Oct. 2021 The other contained polyacrylamide, a chemical compound primarily used in wastewater treatment but also found in certain cosmetics. oregonlive, 11 May 2020 Today, protein separation is typically conducted using gel made of polyacrylamide instead of potato starch. Denise Gellene, New York Times, 11 Jan. 2017

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'polyacrylamide.' 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

1944, in the meaning defined above

Time Traveler
The first known use of polyacrylamide was in 1944

Dictionary Entries Near polyacrylamide

Cite this Entry

“Polyacrylamide.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/polyacrylamide. Accessed 22 May. 2024.

Medical Definition


poly·​acryl·​amide ˌpäl-ē-ə-ˈkril-ə-ˌmīd How to pronounce polyacrylamide (audio)
: a polyamide polymer (−CH2CHCONH2−)x derived from acrylic acid
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