Definition of "tetrahydrofuran" [tetrahydrofuran]

• A clear, colorless, highly flammable liquid, C4H8O, used as a solvent for natural and synthetic resins and in polymerization. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "(AFPs) possess the ability to modify structure II (sII) tetrahydrofuran (THF) hydrate crystal morphologies by adhering to the hydrate surface and inhibiting growth in a similar fashion to the kinetic inhibitor poly-N-vinylpyrrolidone (PVP)."
• "Unlike other gels held together by relatively weak noncovalent forces, the new gel kept its shape even after sitting in the solvent tetrahydrofuran for six hours."
• "By then, the tetrahydrofuran has replaced almost all the water in the gel, Mynar says."