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polyethylene glycol |
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polyethylene glycol (PEG): see glycol glycol (glī`kōl), dihydric alcohol in which the two hydroxyl groups are bonded to different carbon atoms; the general formula for a ..... Click the link for more information. . polyethylene glycol [¦päl·ē′eth·ə‚lēn ′glī‚kȯl] (organic chemistry) Any of a family of colorless, water-soluble liquids with molecular weights from 200 to 6000; soluble also in aromatic hydrocarbons (not aliphatics) and many organic solvents; used to make emulsifying agents and detergents, and as plasticizers, humectants, and water-soluble textile lubricants. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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| To strengthen and add bulk to such materials, archaeologists routinely soak them in polyethylene glycols (PEGs), chemicals that are water-soluble and have a high molecular weight. |
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