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semipermeable

[ sem-ee-pur-mee-uh-buhl, sem-ahy- ]

adjective

  1. permeable only to certain small molecules:

    a semipermeable membrane.



semipermeable

/ ˌsɛmɪˈpɜːmɪəbəl /

adjective

  1. (esp of a cell membrane) selectively permeable
“Collins English Dictionary — Complete & Unabridged” 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Derived Forms

  • ˌsemiˌpermeaˈbility, noun
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Other Words From

  • semi·perme·a·bili·ty noun
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Word History and Origins

Origin of semipermeable1

First recorded in 1895–1900; semi- + permeable
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Example Sentences

Researchers in ACS Energy Letters report creating a semipermeable membrane that harvests osmotic energy from salt gradients and converts it to electricity.

The cylinders could be connected to form a long, semipermeable wall, which the engineers could erect along a coastline, about half a mile from shore.

At the heart of every fuel cell lies a semipermeable membrane.

Producing outstanding kimchi requires a Goldilocks situation, Kim says: fermentation vessels need to be semipermeable rather than overly permeable or impermeable.

Many producers simply remove the alcohol from normal wines by forcing the liquid through semipermeable membranes, spinning it, or boiling off most of the alcoholic components.

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semipermanentsemiplastic