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polyvinyl alcohol

American  

noun

Chemistry.
  1. a colorless, water-soluble, thermoplastic resin, derived by the hydrolysis of polyvinyl acetate: used chiefly as an adhesive and as a sizing agent in the manufacture of textiles, paper, and plastics.


Etymology

Origin of polyvinyl alcohol

First recorded in 1925–30

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

They made metallic glass nanotubes with an average wall thickness of just 20nm, and fabricated nanosheets from different substrates, such as sodium chloride, polyvinyl alcohol and conventional photoresist substrates, with different levels of oxygen concentration.

From Science Daily • Feb. 2, 2024

The petition urges the agency to require health and environmental safety tests for polyvinyl alcohol, also known as PVA or PVOH, which encases the pods.

From Washington Post • Nov. 15, 2022

Zhang’s trick was to add polyvinyl alcohol to the piperazine, further lowering its diffusion rate and allowing it to act as the activator to the trimesoyl chloride’s inhibitor.

From Nature • May 2, 2018

The device is made from nanoscale meshes containing a water-soluble polymer called polyvinyl alcohol and a layer of gold.

From New York Times • Jul. 20, 2017

The sculptures are made out of sand from the Weymouth area and sprayed with a light polyvinyl alcohol.

From BBC • Sep. 6, 2013

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