ultramicrotome

noun

ul·​tra·​mi·​cro·​tome ˌəl-trə-ˈmī-krə-ˌtōm How to pronounce ultramicrotome (audio)
: a microtome for cutting extremely thin sections for electron microscopy
ultramicrotomy noun

Examples of ultramicrotome in a Sentence

Recent Examples on the Web
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Jeff Lichtman, a neuroscientist at Harvard University, has built a device called an ultramicrotome that uses a diamond knife to shave brain tissue layer by layer. Carl Zimmer, Discover Magazine, 19 Mar. 2012 The ultramicrotome then affixes each slice to a tape that gets fed into a microscope. Carl Zimmer, Discover Magazine, 19 Mar. 2012

Word History

First Known Use

1946, in the meaning defined above

Time Traveler
The first known use of ultramicrotome was in 1946

Dictionary Entries Near ultramicrotome

Cite this Entry

“Ultramicrotome.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/ultramicrotome. Accessed 21 Nov. 2024.

Medical Definition

ultramicrotome

noun
ul·​tra·​mi·​cro·​tome -ˈmī-krə-ˌtōm How to pronounce ultramicrotome (audio)
: a microtome for cutting extremely thin sections for electron microscopy
ultramicrotomy noun
plural ultramicrotomies
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