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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
The case launched in 2022 when an Amazon delivery worker reported to authorities that several dogs were tied up with heavy chains on the defendant's property in Dallas, Georgia, about 30 miles west of Atlanta.
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Dennis Romero, NBC News, 4 Feb. 2025
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
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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 9 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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