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ultrathin

[uhl-truh-thin]

adjective

  1. extremely thin.

    an ultrathin wristwatch.



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Word History and Origins

Origin of ultrathin1

First recorded in 1945–50; ultra- + thin
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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.

This newly observed response offers a controllable way to tune the behavior and properties of these ultrathin materials.

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So he made an Apple store appointment to buy the new, ultrathin smartphone the day it went on sale.

Elsewhere in the plant, workers cut the ingots into ultrathin wafers using diamond wire saws.

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Biomedical engineers at Duke University have developed a silk-based, ultrathin membrane that can be used in organ-on-a-chip models to better mimic the natural environment of cells and tissues within the body.

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They observed that these cells were able to send signals across the ultrathin membrane, which helped the cells differentiate into glomerular cells, podocytes and vascular endothelial cells.

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