alpha-helix

noun
al·​pha-he·​lix | \ ˌal-fə-ˈhē-liks How to pronounce alpha-helix (audio) \

Definition of alpha-helix

: the coiled structural arrangement of many proteins consisting of a single chain of amino acids stabilized by hydrogen bonds

Other Words from alpha-helix

alpha-helical \ ˌal-​fə-​ˈhe-​li-​kəl How to pronounce alpha-helical (audio) , -​ˈhē-​li-​ \ adjective

First Known Use of alpha-helix

1951, in the meaning defined above

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The first known use of alpha-helix was in 1951

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Cite this Entry

“Alpha-helix.” The Merriam-Webster.com Dictionary, Merriam-Webster Inc., https://www.merriam-webster.com/dictionary/alpha-helix. Accessed 7 December 2019.

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More Definitions for alpha-helix

alpha-helix

noun
al·​pha-he·​lix
variants: or α-helix \ ˌal-​fə-​ˈhē-​liks How to pronounce α-helix (audio) \

Medical Definition of alpha-helix

: the coiled structural arrangement of many proteins consisting of a single chain of amino acids stabilized by hydrogen bonds — compare beta-sheet, double helix

Other Words from alpha-helix

alpha-helical \ -​ˈhel-​i-​kəl How to pronounce alpha-helical (audio) , -​ˈhē-​li-​ How to pronounce alpha-helical (audio) \ adjective

More from Merriam-Webster on alpha-helix

Britannica.com: Encyclopedia article about alpha-helix

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