supercoil

noun
su·​per·​coil | \ ˈsü-pər-ˌkȯi(-ə)l How to pronounce supercoil (audio) \

Definition of supercoil

: a double helix (as of DNA) that has undergone additional twisting in the same direction as or in the opposite direction from the turns in the original helix

Other Words from supercoil

supercoil verb

Examples of supercoil in a Sentence

Recent Examples on the Web In 2008, Levens, the National Cancer Institute biologist, led a team that detected supercoils in human cells, reigniting interest in DNA’s higher-order structure. Quanta Magazine, 5 Jan. 2016

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'supercoil.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of supercoil

1939, in the meaning defined above

Learn More About supercoil

Time Traveler for supercoil

Time Traveler

The first known use of supercoil was in 1939

See more words from the same year

Dictionary Entries Near supercoil

supercluster

supercoil

supercollider

See More Nearby Entries 

Statistics for supercoil

Cite this Entry

“Supercoil.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/supercoil. Accessed 13 Aug. 2022.

Style: MLA
MLACheck Mark Icon ChicagoCheck Mark Icon APACheck Mark Icon Merriam-WebsterCheck Mark Icon

More Definitions for supercoil

supercoil

noun
su·​per·​coil | \ ˈsü-pər-ˌkȯi(ə)l How to pronounce supercoil (audio) \

Medical Definition of supercoil

: a double helix (as of DNA) that has undergone additional twisting in the same direction as or in the opposite direction from the turns in the original helix

called also superhelix

Other Words from supercoil

supercoil verb

WORD OF THE DAY

Test Your Vocabulary

Odd Habits and Quirks

  • image1926873504
  • Which of the following best describes an easily irritated person?
Name That Thing

Test your visual vocabulary with our 10-question challenge!

TAKE THE QUIZ
Universal Daily Crossword

A daily challenge for crossword fanatics.

TAKE THE QUIZ
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!