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heavy chain
noun
: either of the two larger of the four polypeptide chains comprising antibodies compare light chain
Examples of heavy chain in a Sentence
Recent Examples on the Web
Scorpion tanks followed the soldiers; heavy chains mounted on the front flailed the ground and exploded the mines as the tank moved forward.
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IEEE Spectrum, 8 Jan. 2025
Variations in certain genes, especially myosin heavy chain 9 (MYH9) and apolipoprotein L1 (APOL1), can increase the risk of kidney failure among communities of color and communities that have fewer resources.
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Suchandrima Bhowmik, Health, 30 Sep. 2024
Lunn took out a small key and struggled for a long while to open a padlock that secured a heavy chain around the door handles.
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Patricia Marx, The New Yorker, 26 Aug. 2024
Others were also found in the rain in outdoor pens or on heavy chains.
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Joseph P. Smith, USA TODAY, 7 Apr. 2024
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Word History
First Known Use
1964, in the meaning defined above
Dictionary Entries Near heavy chain
Cite this Entry
“Heavy chain.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/heavy%20chain. Accessed 8 Feb. 2025.
Medical Definition
heavy chain
noun
: either of the two larger of the four polypeptide chains comprising antibodies compare light chain
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