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fine structure
noun
: microscopic structure of a biological entity or one of its parts especially as studied in preparations for the electron microscope
fine structural
adjective
Examples of fine structure in a Sentence
Recent Examples on the Web
Scientists often break down complex sounds into two basic layers, envelope and fine structure.
—The New Yorker, 4 Nov. 2024
Astronomers are eager to study the corona with a number of experiments, including high-altitude research planes, to better understand fine structures within it and why the corona is millions of degrees hotter than the surface of the sun.
—Ashley Strickland, CNN, 8 Apr. 2024
While data from the Keck telescope indicate the fine structure constant was once smaller, the data from the Very Large Telescope indicates the opposite, that the fine structure constant was once larger.
—Joseph Calamia, Discover Magazine, 19 Nov. 2019
The extra pressure on the dark matter from the quantum effect also inhibits fine structures in dark matter, resulting in a fuzzy appearance.
—Lyndie Chiou, Scientific American, 20 June 2023
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Word History
First Known Use
1867, in the meaning defined above
Dictionary Entries Near fine structure
Cite this Entry
“Fine structure.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/fine%20structure. Accessed 20 Dec. 2024.
Medical Definition
fine structure
noun
: microscopic structure of a biological entity or one of its parts especially as studied in preparations for the electron microscope
fine structural
adjective
More from Merriam-Webster on fine structure
Britannica.com: Encyclopedia article about fine structure
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